Which of the following is true about all of the outer planets. A: Much of the material in these planets is solid. B: The surface of these planets is rocky. C: They have many moons. D: They all rotate in

13,705 results
  1. Science

    In a drawing that represents a scale model of the solar system, the sun is placed at the center and the planets are shown orbiting in circles around it. While in reality Mars is 1.5 AU away from the sun, in the model Mars appears at 30 cm from it. Neptune

  2. science

    Solar System Distances Quick Check Question Use this paragraph: In a scale model of the solar system, the sun is placed at the center and the planets are shown orbiting in circles around it. Mars is 1.5 AU away from the sun and in the model, it appears at

  3. Science

    1. When the solar system first formed, 99 percent of the gas and dust material gathered together in one spot. What did gravity form by forcing most of the gas and dust into the center of a flattened disc? Answer: The Sun 2. How were the planets in the

  4. Science

    Why is the pressure so high deep inside the outer planets?(1 point) They are very far from the sun. They have very large gas masses. They have rings. They have very large solid masses

  5. Science

    A diagram of the solar system shows the sun in the middle. Why does every other object orbit around the sun? A.) The sun is smaller than other objects in the solar system. B.)The sun is the most massive object in the solar system. C.)The sun is an average

  6. Science

    1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets

  7. Science

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

  8. Science Solar System

    Why is the pressure so high deep inside the outer planets?(1 point) A. They have very large solid masses. B. They are very far from the sun. C. They have rings. D. They have very large gas masses PLEASE HELP MEEEE

  9. Solar System Online Practice Unit 2 lesson 10

    1. A diagram of the solar system shows the sun in the middle. Why does every other object orbit around the sun?(1 point) A. The sun is the most massive object in the solar system. 2. A student looks at an animated model of the planets orbiting the sun.

  10. physics

    Find the change in the gravitational force between two planets if the masses of both planets are doubled but the distance between them stays the same. Express your answer as an integer.

  11. Biology

    These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up

  12. physics

    The weight of an object is the same on two different planets. The mass of planet A is only forty-five percent that of planet B. Find the ratio rA/rB of the radii of the planets.

  13. Science

    Why didn't the outer planets lose the lighter gases in their atmospheres? I really need help if you could explain this to me. I'm begging you.

  14. Science

    What did gravity create when 99% of the gas and dust materials were gathered into the center of a flattened disc during the formation of the solar system? A:the planets B:the asteroid belt C:the moons of planets D:the sun

  15. science/astronomy

    4. Which of the following is a common feature among the four inner planets? (1 point) atmosphere composition distance from the sun rocky surfaces**** temperature range 5. Which of the following is the smallest terrestrial planet? (1 point) Mars Mercury**

  16. Physics

    A space probe is carried by a rocket into outer space where it continues to move on its own in a straight line. What keeps the probe moving? Is the answer: the gravitation forces from different stars and planets

  17. Science

    Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true?

  18. Gravity

    If the force of gravity between the sun and the planets disappeared, what would happen to the path the planets follow? A) They would continue to rotate around the sun. B) The planets velocity would increase as it got closer to the sun. C) The speed at

  19. science

    What caused people to accept the geocentric model of the universe?(1 point) Noticing the gravity will eventually pull all the planets and the universe back together. Telescopes allowed for a much detailed view of the circular orbits of the planets. Objects

  20. Microbiology

    Which of the following statements about the outer membrane of Gram-negative cell wall is FALSE? A. The outside leaflet is largely composed of lipopolysaccharides. B. The outer membrane contains porins that allow passage of molecules and ions directly into

  21. science

    planets in our solar system travel in their own orbital paths around the sun. what causes the planets to continuously orbit the sun instead of floating away into space? help please

  22. Science

    Use this paragraph: In a scale model of the solar system, the sun is placed at the center and the planets are shown orbiting in circles around it. Mars is 1.5 AU away from the sun and in the model, it appears at 30 cm from it which means that 1 AU = 20 cm.

  23. Science; Solar System

    True or False 5. The outer planets are small, rocky planets with iron cores. true false 6. It is unlikely that the sun formed alone. It probably formed with a cluster of stars like the sun. true false

  24. science

    The following is current scientific evidence supporting the nebular theory on the formation of the solar system.' a the composition of the inner and outer planets, current observations of star formation, and the motion of the solar system b current

  25. Science

    Which of the following is true about all of the outer planets. A: Much of the material in these planets is solid. B: The surface of these planets is rocky. C: They have many moons. D: They all rotate in the same direction. Plz help me with this question, I

  26. science

    2. which of the following statements about the inner planets is true ? ( 1point ) A. they all have rings b. they have all abundant liquid water c. they all have many moons d. they are small and have rocky surfaces

  27. physics

    two planets of masses "m" and "M" respectively. have a center to center separation of "R".At what distance from the center of the planet of mass"M" do the gravitational force of planets cancel each other????? help me plzzz??????

  28. Science-The Solar System

    What are two major differences in the composition of the inner and outer planets? I know that the inner planets are small, hard, and rocky, and the outer planets are large and gaseous. What is another difference?

  29. Biology

    These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up

  30. Science

    What caused people to accept the geocentric model of the universe?(1 point) Noticing the gravity will eventually pull all the planets and the universe back together. Telescopes allowed for a much detailed view of the circular orbits of the planets.

  31. Science

    What caused people to accept the geocentric model of the universe?(1 point) Noticing the gravity will eventually pull all the planets and the universe back together. Telescopes allowed for a much detailed view of the circular orbits of the planets. Objects

  32. Math

    a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true, OR never true) a rectangle. b.)The diagonals of a square (always true, sometimes true, OR never true) bisect each other. c.)If WXYZ is a rectangle, then the diagonals are (always

  33. Physics

    (II) Every few hundred years most of the planets line up on the same side of the Sun. Calculate the total force on the Earth due to Venus, Jupiter, and Saturn, assuming all four planets are in a line, Fig. 5–44. The masses are mV = 0.815 mE, mj = 318 mE,

  34. PHYSICS

    The weight of an object is the same on two different planets. The mass of planet A is only thirty-five percent that of planet B. Find the ratio rA/rB of the radii of the planets.

  35. sci

    Find the change in the force of gravity between two planets when the masses of both planets are doubled, but the distance between them remains the same. Please include your work!

  36. Science

    Which of the following may have happened if the inner planets had greater masses during the formation of the solar system? A. The inner planets may have been even smaller and rockier. B. The inner planets may have been larger and more gaseous. C. The inner

  37. Phsyics

    How might they use spectroscopy to deter- mine the atmospheric composition of these planets? 1. None of these 2. By analyzing the spectrum of the surface of the planets. 3. All of these 4. By analyzing the molecules that compose the planets. 5. By

  38. Science Help!!!

    Explain why the outer planets did not lose the lighter gases in their atmospheres? Can someone help me please??

  39. Astronomy

    ________ collided and merged, forming planets. Protosuns Protoplanets Extrasolar planets Planetesimals

  40. Physics

    The weight of an object is the same on two different planets. The mass of planet A is sixty percent that of planet B. Find the ratio of the radii of the two planets, rA/rB

  41. science

    1. Which of the inner planets has an internal structure similar to Earth's and has the hottest surface of any planet in our solar system? 2. Which of the following statements about similarities among the inner planets is true? 3. How did planetesimals form

  42. science

    i'm not sure witch statement is true .The earth has a stronger gravitational pull than the Sun because it is smaller in mass. .Planets would travel in a straight line if it weren't for the force of the Sun's gravity. .The Sun's gravitational pull is weaker

  43. Science

    What are two major differences in the composition of the inner and outer planets? I don't know what they mean my comparing their compostions.

  44. al mustafa publick school

    two planets of masses m and respectively.have a centre to center separation of r.at what distance from the center of the pianet of mass m do the gravitational force of planets cancel each other???

  45. Physics

    A spaceship of mass m is located between two planets of masses M1 and M2; the distance between the two planets is L. Assume that L is much larger that the radius of either planet. What is the position of the spacecraft (given as a function of L, M1, and

  46. Reading

    Many people are fascinated by outer space. School children learn about our solar system in school. Tv and radio announcers tell us what to watch for in the night sky. They tell us when the planets are brightest and whcih ones we can see with the naked eye.

  47. science

    write T if the statement is true or F if it is false. a.)All the planets travel around the sun at the same speed.my answer is T. b.)The sun's gravity keeps the planets in orbit around it. my answer is F. c.)There is an asteroid belt between Jupiter and

  48. science

    what are 2 major differences in the composition of the inner and outer planets ?

  49. Science

    How do you compare and contrast the distances between the planets in the solar system. Which planets are relitively close together and which planets are far apart?

  50. to ALison (planets)

    Just out of curiosity, what didn't you like about the wiki.answer slides? They seemed to explain fairly well why the rocky planets are in the inner system, and the gaseous ones are in the outer system.

  51. Physics

    Due to intense research within the last two decades, which factor(s) in the (original) Drake equation is/are now relatively well known? A) Birth rate of stars with environments suitable for hosting life B) Fractions of stars having such planets C) Number

  52. science

    What is on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum. Rather than my posting an entire page of sites, please go to the following, which I

  53. Science (planets/gravity)

    What keeps all the planets the big ones and the small ones in orbit in our big solar system? A.The gravity from the sun. B.The gravity from the moon. C.The gravity between all the planets. D.The gravity from the beautiful our earth. What do all the planets

  54. Science

    Have I matched the right Scientists with these famous sayings: Scientists: Ptolemy, Kepler, Copernicus, Newton, Galileo, Brahe & Hubble. 1)"I've finally worked out an explanation as to why planets orbit the sun and moons orbit planets. It is gravity that

  55. science plz check

    Describe the outer planets. The outer planets, unlike the inner planets, are much larger and made up of gases. They have many moons, and larger rings of ice that go around the entire planet.

  56. Science

    Can someone please help direct me to a start for this?? 1. Explain why the outer planets did not lose the lighter gases in their atmosphere. 2. What are two major differences in the composition of the inner and outer planets?

  57. science

    what are two major differences in the composition of the inner and outer planets?

  58. science

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

  59. ms. sue

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

  60. Planets- I Love Space!

    why the outer planets did not lose the lighter gases in their atmospheres.?

  61. Science

    What caused the outer planets to have surfaces of liquids and gases

  62. science

    Explain why the outer planets did not lose the lighter gases in their atmospheres

  63. science

    explain why the outer planets did not lost the light gases in their atmospheres.

  64. English Help

    Plz check this paragraph . “A true story ” is a Lucian‘s master piece in which he explore the outer space .It has been never written such kind of scientif theory that anticipated modern fictional themes. Lucian seems to be a versatile writer of his

  65. science

    Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true

  66. science

    Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true

  67. Astronomy

    Purpose the run somehow becomes a black hole without change in its mass , it will pull into itself a.all the planets b.only mercury c.all the planets from mercury to mars d.none of the planets

  68. Science

    It is easier to move an electron from the outer energy level than from one closer to the nucleus. A. true B.false I think this is true..?

  69. Physics

    In both kinds of Drake Equation, which factor is often considered the "bottle neck" for the emergence of extraterrestrial life? A) Birth rate of stars with environments suitable for hosting life B) Fractions of stars having such planets C) Number of

  70. Science-drwls

    Y r the distances to the planets given in km? I've already answered the 2nd part to this question, and this is the fist part. I think that the distances to the planets are given in kilometres because all the planets aren't that far away from eachother that

  71. Science

    Y r the distances to the planets given in km? I've already answered the 2nd part to this question, and this is the fist part. I think that the distances to the planets are given in kilometres because all the planets aren't that far away from eachother that

  72. science/planets

    Q: What two things does Earth have in common with the outer planets called gas giants? A: A)relative temperatures above freezing B)moons and magnetic field C)fairly long days and short nights D)volcanic activity and geysers

  73. math

    what true about ALL outter planets?

  74. statistics

    A CBS/New York Times poll found that 350 out of 757 adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 95% confidence level.

  75. physics

    You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length ℓouter = 400 mm, radius R outer = 50 mm, and N outer = 2000 windings. The inner solenoid has length ℓinner = 40 mm, radius R

  76. Math

    What is a limitation of this model of the solar system? A.The planets are out of order B.The planets' sizes are not to scale (they are bigger in real life) C.The planets' distances are not to scale (they are farther apart in real life) D.Both B and C

  77. science

    Our solar system consists of_____? a) the moon and the planets b) the sun and the planets c) the sun and the moon d) the sun and the planets with their moons Just need to know if my answer or right or wrong. Thanks! :) d

  78. Physics

    True or false: If two planets have the same mass but the second one has twice the gravity, it must have four times the radius

  79. AP physics (answer whatever you can)

    how do you find the Fnet of 3 planets? do i find the forces of all the planets on each other and add it up? what if teh planets are at an angled position? 1000 kg car is going clockwise around a curve iwth radius of 30m. coefficient of frction=0.5 if the

  80. Phycisal Science

    What characteristic separates the planets into Inner and Outer groupings? Name each laws. Matter is neither created nor destroyed in a chemical reaction. Energy cannot be created or destroyed, but energy can be converted from one to another.

  81. Physics

    Two planets of mass 7 x 10^25kg are released from rest 2.5 x 10^12 m apart. What is the speed of the planets when they are half this distance apart?

  82. Physics

    Two planets of mass 7 x 10^25 kg are release from rest 2.5 x 10^12 m apart. What is the speed of the planets when they are half this distance apart?

  83. Physics help

    Two planets, each with a mass of 4.990E+27 kg, are released from rest some 2.850E+11 m apart. What are their speeds (in m/s) as they crash together? Assume that the planets have a diameter of 1.40E+08 m.

  84. AP physics

    how do i find the Fnet of 3 planets? the 3 planets are also at angled distance from one another(2d).

  85. astronomy

    what is search for extrasolar planets? Looking for planets around stars other than our own sun.

  86. physics (please help elena)

    Three planets interact with one another through their mutual gravitational forces only; they are isolated in free space and do not interact with any other bodies. They orbit around an axis going through the center-of-mass of the system and perpendicular to

  87. grade nine space

    Compare the following objects in the our Solar System in terms of 1. Where they are located and 2. What they are composed of : Sun Terrestrial planets Jovian planets Asteroids Comets Meteroids

  88. physics

    Find the change in the gravitational force between two planets if the masses of both planets are doubled but the distance between them stays the same. Express your answer as an integer. I have no idea what exactly they are wanting here?? please help!

  89. HELP WITH SCIENCE FAST

    1. Most likely, ____ were formed when lava from the moon's interior flooded bowl­like regions on the moon's surface. (1 point) maria* highlands craters basins 2. Currently, the most supported theory of the origin of the moon is _________. (1 point)

  90. Physics 20 Gravity

    The kepler mission has recently discovered a number of rocky planets around the stars.Suppose one of these planets has a mass of 7.66 x 10^24 kg and radius of 6743 km.What is the acceleration due to gravity(that is gravitational field) on the surface of

  91. 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

  92. physics

    The weight of an object is the same on two different planets. The mass of planet A is only fifteen percent that of planet B. Find rA/rB, which is the ratio of the radii of the planets.

  93. Physics

    The weight of an object is the same on two different planets. The mass of planet A is only sixty percent that of planet B. Find the ratio of the radii of the planets.

  94. Astronomy

    Why will detecting Earth-sized planets be much more difficult than finding Jupiter-sized planets around other stars?

  95. Physics! Help!

    Two planets of mass 3 x 1025kg are release from rest 1.5 x 1012 m apart. What is the speed of the planets when they are half this distance apart? Help! I've been stuck on this for a good bit! I cant seem to find a formula that can help me solve this! I can

  96. Astronomy

    Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum.

  97. physics

    two planets of masses "m" and "M" respectively. have a center to center separation of "R".At what distance from the center of the planet of mass"M" do the gravitational force of planets cancel each other?????

  98. Mathematics

    Forty-six percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 120 randomly selected individuals and found 48 believed that there is life on other planets. At α = 0.10, is

  99. science

    Planet A and Planet B have very little gravity between them. What is probably true about those planets?

  100. English

    Please check this paragraph The title is the first clue that this will be a tall tale. But Lucian’s fantasy explores not only outer space, but also the Elysian Fields, the geography of the Odyssey, and the interior of a giant whale. The title is opposite

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