In An Inconvenient Truth Earth is called the Goldilocks planet because A) The sun is at a balanced distance B) It has a significant wildfire population C) It's neither too hot or too cold for life D) The mineral content,

17,854 results
  1. Science

    1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun.

  2. english

    1. What does Al Gore, author of An Inconvenient Truth, demonstrate about the level of at atmospheric carbon dioxide levels? A. Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased. B. Each year, the CO2 level

  3. Science

    Can someone please please help me? I don't have a text book, i have a online book and it isn't working. Can someone please be nice and help me? Science isn't my subject! 1. Why is Earth’s temperature just right for life? (1 point) Earth’s core is hot

  4. eng

    the primary purpose to al gore's an inconvenient truth is a. to inform the readers that there is environmental hazard in burning fossil fuels b. to entertain readers with stories from his college days and his professor's quotations c. to persuade the

  5. science

    if all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun? planet a: mass 3,500 kg planet b: mass 50,000 kg planet c: mass 750 kg planet d: mass 100,000 kg a)planet a

  6. Physics help quick!

    22. What does it mean for a force to act in accordance with an inverse square law? The square of the force is inversely proportional to the distance. The force decreases if the distance increases. The force is directly proportional to 1/r2 where r is the

  7. Physics

    If a small planet were located 7 times as far as the Earth's distance from the Sun, it period is ___ earth years?

  8. Science

    What distance was used to define the astronomical unit (AU) A. the average distance across the sun, its diameter B. the average distance from the sun to mercury, the closest planet C. the average distance from the sun to earth, our home planet D. the

  9. physics

    A planet orbits the sun at a distance of 2.87 x 10^9 km. If the mass of the sun is 1.99 x 10^30 kg, find the orbital period of the planet. Then, calculate the orbital speed of the planet.

  10. Science

    1. What would happen if earth absorbed all of the heat from the sun? A. Earth would become too cold. B. Earth would be too hot. C. Earth would eventually stop recieving heat. D. Earth would lose all of it's own heat.

  11. Science

    1. Which of the following about the suns structure is true? A.The sun has a solid surface. B. The sun has an interior and an atmosphere. * C.The sun's is similar to Earth's; it has a core, mantle, and crust. D. The sun's outermost layer is called the

  12. math

    At a given time, Saturn was 9.1 x 10 to the 8th miles from the sun and the earth was 9.3 x 10 to the 7th miles from the sun. by what distance is one planet closer to the sun than the other planets?

  13. Astronomy

    The average distance between the Earth and the Sun is called the astronomical unit (AU), which is about 150 million km (1.5 x 108 km). Jupiter is 780 million km from the sun. a) How far is Jupiter from the sun in astronomical units (AU)? b) Based on your

  14. english

    In An Inconvenient Truth Earth is called the Goldilocks planet because A) The sun is at a balanced distance B) It has a significant wildfire population C) It's neither too hot or too cold for life D) The mineral content, especially cold and gold. I think

  15. Help Mr Oobleck

    If all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun? Planet Mass (kg) Planet A 3,500 kg Planet B 50,000 kg Planet C 750 kg Planet D 100,000 kg A. Planet A B.

  16. science help only have 3 min left

    Earth seems to be the only planet in our solar system that can support life. All BUT ONE of these is a reason why life is found only on Earth. That is A) a moderate climate. Reactivate B) the presence of water on Earth. C) it is the perfect distance from

  17. physics

    The mean distance of the planet Neptune from the Sun is 30.05 times the mean distance of Earth from the Sun. a.) Determine how many Earth-years it takes Neptune to orbit the Sun. b.) The mass of the Sun is 1.99 x 10^30 kg, and the closest distance of

  18. physics

    If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be?

  19. Science

    5) The tendency of two masses alone in the universe to drift together is a result of A) fission.

  20. science

    my first is VAN but not in PAN,my second is EARTH and also in HEAVEN,my third is ONE and not in two,my fourh is in BUN and also in FUN,my last is in STAR but not in RADAR,i am a planet that moves round the sun.name the planet.

  21. english

    in an inconvenient truth, an increase in greenhouse gases is dangerous becasue a. they trap more heat in earths atmosphere b. they create holes in the atmopshere , releasing too much heat c. they reduce humans ability to absorb oxagen throught their lungs

  22. physics

    Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon, and Earth are aligned with the Moon between the Sun and the Earth. (This

  23. english help please!!

    Read the following excerpt from H.G. Wells' The War of the Worlds, and answer the question that follows: The planet Mars, I scarcely need remind the reader, revolves about the sun at a mean distance of 140,000,000 miles, and the light and heat it receives

  24. Science

    A model shows that the moon has grown to twice its size, yet it has remained in the same place. In one to two sentences, explain how this would impact the gravity between Earth and the moon.(2 points)

  25. Geography

    (Use the drop-down menu to complete the sentence) As one side of Earth turns away from the sun, [Options] A.) The Sun moves with it. B.) The Sun appears to rise on that side of Earth. C.) The Sun appears to set on that side of Earth. D.) The Sun moves to

  26. climate unit test

    Everywhere on Earth is about 93 million miles away from the sun. What causes days to be warmer on one part of Earth than on another? A.the rotation of Earth B.the speed of Earth in its orbit C.the angle at which the sun strikes Earth D.the number of cars

  27. Science

    Which statement correctly describes the sun and earth? a. the sun and earth both have water. b. the sun and earth both have a surface called the crust. c. the sun and earth both have an atmosphere d. the sun and earth both have breathable air

  28. Math

    The period of revolution of a planet around the sun is the time it takes for the planet to complete one orbit of the sun. The period, P years, is give by Kepler's third law P^2=D^3, where D is the average distance from the sun in astronomical units (AU).

  29. Math

    One of Kepler's three laws of planetary motion states that the square of the period, P, of a body orbiting the sun is proportional to the cube of its average distance, d, from the sun. The Earth has a period of 365 days and its distance from the sun is

  30. physics

    mass of planet is half that of earth and radius of planet is one fourth that of earth if we plan to send an artificial satellite from planet the escape velocity will be in km/s

  31. Physics

    Find the gravitational force acting on the Sun by the Earth. Given: Mass of the Sun = 1.99 * 1030 kg Mass of the Earth = 5.98 * 1024 kg Radius of the Sun = 6.96 * 108 m Radius of the Earth = 6.37 * 106 m Distance between the Sun and the Earth = 1.50 * 1011

  32. Physics

    If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be? The answer for this one is 1.6 earth radii, but I can't seems to get solution to find the answer. I would appreciate

  33. English

    1. What does Al Gore, author of An Inconvenient Truth, demonstrate about the level of at atmospheric carbon dioxide levels? A. Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased. B. Each year, the CO2 level

  34. Physics

    The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 X 108 km, and the earth travels around this orbit in 365 days. (a) What is the magnitude of the orbital velocity of the earth, in m/s? (b) What is the radial acceleration of

  35. Science

    The following table shows the period of revolution of some unknown planets of equal mass. Planet Period of Revolution W 1.9 years X 11.8 years Which of the following best explains which planet is farther from the sun? Planet W, because gravity is inversely

  36. science

    The gravity of the sun has helped create and maintain the solar system we know today. Which planet does the sun exert the greatest gravitational pull upon?(1 point) Neptune Earth Mercury Jupiter plz help

  37. English 10th grade

    This is confusing to me: "Truth, Sekhar reflected, is like the sun. I suppose no human being can ever look it straight in the face without blinking or being dazed. He realized that, morning till night, the essence of human relationships consisted in

  38. Science

    Which of the following best explains which planet is farther from the sun? Planet W, because gravity is inversely proportional to the square of distance Planet X, because gravity is inversely proportional to the square of distance Planet X, because the sun

  39. physics help 3!! **

    Based on the following data about planet X (which orbits around the Sun): Planet X's distance from Sun = 3.6*1012 m Planet X's radius = 2*106 m Planet X's mass = 8.2*1022 kg a.) Find gx, the size of the acceleration due to gravity on the surface of Planet

  40. Science

    Scientists have discovered a new planet. The planet is in a solar system whose star is similar in size to the sun and is about as far from the star as Venus is from the sun. The planet is similar in size to Earth, and its atmosphere is similar in thickness

  41. science

    1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two of the inner planets are ____. (1 point) Venus and Saturn Mars and Venus

  42. PreCal

    On average, the earth in 93 million miles away from the center of the sun. a.) assuming that the earth's orbit is circular, estimate the number of miles our planet travels in one complete revolution around the sun.

  43. physics

    the distance from the earth to the sun is 1.5 times 10 to the 11 power m ( 93 million miles) and the time for one complete orbit of the earth about the sun is one year. how long would it take a planet located at twice this distance from the sun to complete

  44. reading

    (1) Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. (2) A greenhouse stays warm because sunlight and heat coming through the glass roof are mostly trapped. (3) The heat doesn't radiate back into the

  45. physics

    The physics of orbital radius and orbital period of a planet. If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the sun would this planet be?

  46. Science

    1. How did plantesmals form plants A. They broke into smaller chunks B. They collided and stuck together** C. They cooled and pulled ice together D. They began to rotate 2. Whats the distance used to define the astronomical unit A. The average distance

  47. science

    if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS

  48. science help pls pls

    The table below shows the average distances of Jupiter and Earth from the sun. Name of Planet Average distance from the sun (in AU) Jupiter 5.2 Earth 1.0 What is the difference between the orbital periods of Jupiter and Earth? 4.20 years 6.20 years 8.86

  49. Physics

    Suppose a planet is discovered orbiting a distant star with 13 times the mass of the Earth and 1/13 its radius. How does the escape speed on this planet compare with that of the Earth? Ve new ------- = ve earth

  50. english

    Please answer the following from An Inconvenient Truth 11. Earth is called the Goldilocks planet because a.the sun is at a balanced distance b.it has significant wildlife population c.it is neither too hot nor too cold for life** d.of the mineral content,

  51. English

    Please check my answer thank you very much. Please reading the following passage then answer the question below. The sentences are numbered to help you answer the question. (1) The solar system is made up of the sun and the planets that go around it. (2)

  52. Math

    The average radius r in meters of a planet's path around the sun is given by the formula r=[(3.35 x 10^18)t^2]^1/3, where t is the time in seconds that it takes the planet to go around the sun. a. Rewrite the equation using the root symbol. b. Neptune

  53. help help help

    The asteroid belt between Mars and Jupiter consists of many fragments (which some space scientists think came from a planet that once orbited the Sun but was destroyed). (a) If the center of mass of the asteroid belt is about 2 times farther from the Sun

  54. Science

    istance of a planet from sun is four times the distance of the planet frpm earth.How many years will the planet take to complete one revolution of sun?

  55. earth

    planet is in circular orbit around the Sun. Its distance from the Sun is 2.9 times the average distance of Earth from the Sun. What is the period of this planet, in Earth years?

  56. Social Impact of Technology

    Which of these planets is in the so-called “Goldilocks Zone”? A. Earth B. Mars C. Jupiter D. Venus Ans: Earth

  57. Physics

    1. Planet X orbits the sun with a mean orbital radius that is 6200 times that of earth. Its diameter is twice that of earth, and its mass is 8 times that of earth. A) Calculate the year of the planet X. B) Calculate the acceleration due to gravity on

  58. Physics

    Many astronomers argue that the Earth and Moon should be considered a double planet,since the gravitational force by the sun on the Moon is approximately as big as that by the Earth on the moon.Using the data below for the Earth and Moon at the particular

  59. Physics

    A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=43000 m/s. What is the mass of that sun?

  60. Astronomu

    1. There is a common misconception about why the Earth is cold in the winter and warm in the summer. Some believe that this is because the Earth, in its elliptical orbit, is closer to the Sun in the summer and farther away in the winter. The argument is

  61. Math Ms. Sue please help!!!

    Okay I am really stuck on this question Tip: ^ = exponent Example: 6x10^7 7 is exponent Question: Venus is the second planet from the sun. Earth is the third planet from the sun. The distance from Venus to the sun is 6.72x10^7 and the distance from Earth

  62. physics

    Imagine a planet that orbited the sun at a distance three times that of Earth. What would the period of that planet be in Earth years?

  63. sat essay

    please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

  64. sat essay

    please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

  65. English

    Evaluate which of the following is the best example of a summary. A.In Goldilocks and the Three Bears, a character named Goldilocks sneaks into a home owned by bears. She eats a bowl of porridge and falls asleep in the house. When the bears return,

  66. math

    If planet I is 31.8 million miles from the sun than planet II, then planet III is 25.6 million miles father from the sun than planet I. When the total of the distances for these three planets from the sun is 200.2 million miles, how far away from the sun

  67. ALG/TRIG

    Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in

  68. Physics

    How do you calculate. How many years would it take the planet to orbit the sun. All I have is, that the planet is 97 times farther from sun than earth or 97 Astronomical units Use Kepler's Third Law. If you have never heard of it, read

  69. science

    Pluto has a shape that is nearly round, and it orbits the Sun. It has five known moons. Why is it called a dwarf planet and not a planet?

  70. Just Curious

    A few questions out of curiosity. What does jiskha mean? And what is your view point of Pluto Since Pluto is no longer considered a planet, do you think it should still e called a planet? Not just dwarf planet, but a planet like Mars or Earth? Thanks and

  71. college

    A spaceship lands on the planet whose radius is 5 times that of planet earth and whose mass is 25 times that of planet earth. Find the apparent weight of the astronaut on the second planet if the astronaut weighs 150lbs on planet earth

  72. solar system

    if a planet were to collide with another planet making a planet crash into the sun and the sun expanded due to collision what would happen?

  73. Science repost

    if a planet were to collide with another planet making a planet crash into the sun and the sun expanded due to collision what would happen?

  74. Astronomy

    Orbital speed is the speed with which a planet moves around the sun. The speed is determined by: a)the mass of the planet only b) the mass of the sun only c)both the mass of the planet and the mass of the sun d)the mass of the planet and it's distance from

  75. Physics

    What is the orbital velocity of the Earth around the Sun, assuming the Earth takes a perfectly circular orbit around the Sun? What would be the centripetal acceleration of the Earth around the Sun? (I have no clue :() From my textbook I found out that

  76. physics

    The furthest distance from the Sun to Earth is df=1.521E8 The shortest distance from the Sun to Earth is ds=1.47E8 To simplify the problem, assume that the Earth's axis is always perpendicular to the plane of its trajectory around the Sun. The Sun always

  77. Language arts

    In An Inconvenient Truth, the author uses which of the following to emphasize how humans can improve the atmosphere? A. The illustration of the suns energy as it travels to and from earth B. The content of "What Exactly Are Green House Gases" C. The

  78. SCIENCE asap :P

    Twice a year on Earth, the number of hours of darkness is equal to the number of hours of sunlight. These events, where both day and night are 12 hours, are the spring and autumn equinoxes.Which of these describes the orientation of the sun and Earth on

  79. Physics

    "If a small planet were located 8 times as far as the Earth's distance from the Sun, what would be its period in Earth years?" (22.5 earth years) As a note, we are given a table with all of the planets' masses and radii.

  80. Physics?

    What information do you need to calculate the altitude of a satellite’s planet-synchronous orbit? (check all that apply) Mass of the planet Radius of the planet Mass of the satellite Period of the planet's rotation on axis Period of the planet's rotation

  81. Physics

    At planet X, there is another planet called Y about 34 million light years away. The radius of planet X is 1 * 10^9 m. How far away from the center of the planet X is the planet Y in meters?

  82. 8th grade science

    Q: how might the length of mercury day affect the temperature ranges found on the planet? A: A)Over time the closeness of the planet to the sun has caused it to shrink. B)The entire planet would get burned by the intense amount of sunlight. C)Parts of the

  83. Physics please help ASAP!

    If you know the mass of a star and a planet’s radius and speed at perihelion (closest approach to the star), then using conservation of energy and angular momentum you can solve for the radius and speed of that planet at aphelion (farthest point from the

  84. Science

    Please check my answers? My textbook won't load, so i've had to use google and guess. 1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago **from a cloud of gas and dust less than a million years ago from a chunk of

  85. geometry

    A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total

  86. english

    i am learning about capital letters in English and i need to write a sentence about Earth. i was just wondering if planet has to have a capital letter. Planet Earth or planet Earth which is right? thanks!

  87. Physics

    Use the following numbers for this question. MEarth 5.98e+24 kg MJupiter 1.9e+27 kg MSun 2e+30 kg Earth-Sun distance 150000000000 m Jupiter-Sun distance 778000000000 m rE 6380000 m rJ 69000000 m G = 6.67e-11 Nm2kg-2 the acceleration due to gravity at the

  88. science

    State which reason for the earth being flat is true. A) Geocentric model causes the earth to take on a flat shape. B)The gravitational force pulls everything down including the planet itself. C) The Sun would not be able to exert gravity on Earth unless it

  89. physics

    A planet has a radius of about 0.85 times Earth's radius and a mass of only 0.74 times Earth's mass. Estimate the acceleration due to gravity on the planet. Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 kilometers a_{planet} =

  90. math

    John has traveled from a distant planet to spend one earth year visiting with us. However, one year on earth is not the same as one year on john's planet. on john's planet: 10 seconds = 1 minute 10 minutes = 1 hour 10 hours = 1 day 10 days = 1 week 10

  91. physics universal gravity

    find the gravitaional force of the sun that acts on a 50 kg peron standing on earth. mass of the sun = 2E30 kg distance from sun to earth = 1.5E11 m radius of earth = 6.4E6 m

  92. maths

    Angle of elevation of sun from earth is called? (A) sunset (b) sun's altitude (c) sunrise (d) none

  93. earth

    The Earth orbits the Sun once every 365 days. The distance between the Earth and the Sun is 1.5 x 1011 m. What is the average orbital velocity of the Earth as it travels around the Sun?

  94. Physics help - Earths force

    Is the force of the earth’s gravity on the sun stronger, weaker, or the same as the force of the sun’s gravity on the earth? Explain why the sun’s attraction affects the motion of the earth more than the earth’s attraction affects the sun’s

  95. SCIENCE

    (please check my answers. if they are not right please correct them.) With the use of the Hubble Space Telescope, scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the

  96. science [planets/stars]

    Hey.. Well, first things first.. I'm given an assignment from my Earth Science class. Right now we're doing a unit about planets and Earth and sun. My teacher told us to write a [maximum] 2 page essay, which is also supposed to be descriptive. In the

  97. Astrophysics

    I'm having trouble understanding the formulas for determining a planet's distance and mass. A planet's distance is related to the period of revolution and the mass of the central star (e.g, the sun). The relationship is called Kepler's Third law. Distance

  98. Science

    How does life on Earth depend on the sun? I put If the Earth is too near from the sun then it will be too hot and we wouldnt't be able to live. But if the Earth is too far from the Sun then it would be too cold. Is that a right answer?

  99. Astronomy

    Suppose you received a message from aliens living on a planet orbiting a star identical to our Sun. They say they live 4 times farther from tier star than Earth is from the sun. What is the length of their year compare to ours?

  100. Physics (please check!!!)

    Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This

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