Search: Earth/Space Science

Number of results: 55,854

Science
Why doesn't the space station fall toward the earth, instead of remaining in space? a) It is beyond the earth's gravitational pull. B) The earth's gravity is balanced out by the attraction of the sun and other planets. C) Centrifugal force keeps it up. D) It does ...
Sunday, September 11, 2011 at 8:32pm by John

science
When astronauts travel into space, they can still see Earth and the moon. why is this possible? A. The sun shines in the windows of their space vehicle. B. They view earth and moon through a telescope. C. The sun's light reflects off earth and the moon. D. The astronauts ...
Saturday, March 27, 2010 at 5:48pm by Anonymous

space
Space science is an all-encompassing term that describes all of the various science fields that are concerned with the study of the Universe, generally also meaning "excluding the Earth" and "outside of the Earth's atmosphere". Originally, all of these ...
Tuesday, September 22, 2009 at 8:06pm by sara

Physics: Astronauts and space
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth.The distance separating the center of the earth from the center of the ISS is then approximately ...
Monday, April 19, 2010 at 11:48pm by HELP ME!!

phys science
A space shuttle orbits at an altitude of approximately 200km above the surface of the Earth. If the radius of the Earth itself is 6380 km, what’s the acceleration due to gravity at the altitude of the space shuttle?
Monday, July 18, 2011 at 10:53pm by josh

Physics
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth. The distance separating the center of the earth from the center of the ISS is then approximately ...
Thursday, September 8, 2011 at 8:57am by Elisabeth

8th Grade Space and Earth Science
what is earth science??
Tuesday, February 3, 2009 at 9:44pm by nunyah

Earth and Space Science
which is closer to earth a moon or galaxy?
Saturday, March 23, 2013 at 10:09pm by Stephanie

Earth/Space Science
The Earth would not have seasons.
Sunday, April 15, 2012 at 6:43pm by Keya

Geometry
Sorry Steve, you made a major error with your units... the radius of the Earth is around 6378 km not 6378 miles. You are trying to find the distance from the Space Station to the horizon, which would be the point of tangency. The tangent line from the Space Station will form a...
Monday, March 19, 2012 at 8:13pm by Peter

science
A space probe of the surface of Mars sends a radio signal back to the Earth, a distance of 3 x 1010 km. Radio waves travel at the speed of light (3.00 x 108 m/s). How far away is the space probe? How many seconds does it take for the signal to reach the Earth? How many hours ...
Saturday, February 4, 2012 at 11:40pm by Anonymous

science
Objects take up space and move through space different ways. Scientists use these differences to make models. For example, how a rubber band stretches helps you "see" the force acting on it. How could you use space relationships to model Earth and its moon?
Wednesday, March 24, 2010 at 8:55pm by Anonymous

Physics help please
The space shuttle orbits at a distance of 335 km above the surface of the Earth. What is the gravitational force (in N) on a 1.0 kg sphere inside the space shuttle. Assume that the mass of the Earth is 5.98x1024 kg and the radius of the Earth is 6370 km Compare (as %) the ...
Friday, November 25, 2011 at 8:36pm by ...

math
the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem to find the distance from the space station to earth's horizon.
Saturday, February 18, 2012 at 10:05pm by tee

science
imagine you are in a spaceship flying from the earth - describe what you see from the space and how you feel as it moves out of the gravitation pull of earth?
Wednesday, August 25, 2010 at 8:13am by sarthak

Math
Radius of earth 3,959 miles Space shuttle orbits 200 miles above earths Surface Space shuttle completes 220 degrees of a Revolution around earth in one day What is the average speed of the space Shuttle
Sunday, October 21, 2012 at 5:22pm by Chris

space
What is the value of g for space-shuttle territory , about 200km above the Earth's surface. Data: Earth's mass is 6x10^24kg, and radius is 6380 km
Sunday, September 12, 2010 at 4:58pm by hov

science science science science science science
The moon orbits around the earth.Which of the following keeps the moon traveling in the same path each time it orbits the earth? A.energ from the surroundings B.Pull of gravity between the moon and the earth C.orbits in space are pushing the moon towards the earth D.the winds ...
Wednesday, April 18, 2007 at 5:31pm by Hot stuff

Earth/Space Science
In many ways, the floor of oceans is no better explored than space. Why could discoveries such as life around deep-sea hotspots not be investigated until the past few decades?
Thursday, March 22, 2012 at 8:32pm by Carmen

physics
A 2130-kg space station orbits Earth at an altitude of 455 km. Find the magnitude of the force with which the space station attracts Earth. The mass and mean radius of Earth are 5.98 × 1024 kg and 6370 km, respectively
Wednesday, November 7, 2012 at 8:32pm by mike

Physics, Please Help
A 2130-kg space station orbits Earth at an altitude of 455 km. Find the magnitude of the force with which the space station attracts Earth. The mass and mean radius of Earth are 5.98 × 1024 kg and 6370 km, respectively.
Thursday, November 29, 2012 at 10:56pm by Mike

physics
The Earth’s radius is about 6380 km. The space shuttle is orbiting about 275.0 km above Earth’s surface. If the average speed of the space shuttle is 23500 km/h, find the time required for it to circle Earth.
Sunday, November 11, 2012 at 12:49pm by Jacky

science
Somewhere between Earth and the Moon, gravity from these two bodies on a space pod would canel. Is it closer to the Earth or the Moon? why?
Friday, November 7, 2008 at 7:53pm by Randy

Geometry
11-1 Lines that Intersect Circles 8. The International Space Station orbits Earth at an altitude of 240 miles. What is the distance from the space station to Earth's horizon to the nearest mile?
Monday, March 19, 2012 at 8:13pm by Ariel

Science
Here is a great deal of information on the Space Shuttle: http://search.yahoo.com/search?fr=mcafee&p=how+space+Shuttle+lands+on+Earth Sra
Wednesday, April 14, 2010 at 6:57pm by SraJMcGin

physics
The Earth’s radius is about 6380 km. The space shuttle is orbiting about 300.1 km above Earth’s surface. If the average speed of the space shuttle is 25700 km/h, ﬁnd the time required for it to circle Earth. Answer in units of h
Wednesday, September 28, 2011 at 8:40pm by joselyne

phys sci
Since the earth is not a perfect sphere, there is no actual radius for the Earth. If there was one, the distance would be way outside the earth's atmosphere, meaning it would be in space. Space has 0 gravity, which means everything is weightless. That means the satellite ...
Tuesday, July 19, 2011 at 2:09pm by Kallie

physical science
which of newton's laws (1, 2, or 3)are used in the following: 1) spaceship reaches the speed for orbit around the earth, 2) pushing the shuttle forward in space 3) the force needed to escape earth's atmosphere
Friday, December 31, 2010 at 2:30pm by anonymous

Physics
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth (You can get more educational NASA resources from: The distance separating the center of the earth...
Thursday, September 8, 2011 at 7:34pm by Ronda

science
Atmospheric pressure decreases as one leaves the surface of the earth. The atmospheric pressure is lower on Pike's Peak than at sea level because of the elevation of Pike's Peak. Astronauts need space suits and oxygen when in space in order to live because there is no ...
Monday, January 26, 2009 at 9:21pm by DrBob222

8th Grade Space and Earth Science
science
Tuesday, February 3, 2009 at 9:44pm by reasa

Physics
Suppose the space shuttle is in orbit 430 km from the Earth's surface, and circles the Earth about once every 93.2 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational acceleration at the Earth&#...
Sunday, July 8, 2012 at 6:08pm by Dave

Physics ASAP
Suppose the space shuttle is in orbit 390 km from the Earth's surface, and circles the Earth about once every 92.4 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational acceleration at the Earth&#...
Monday, November 26, 2012 at 10:47pm by Sierra

Math 8th Grade Please help
The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest answer. Please help both...
Wednesday, December 5, 2012 at 4:59pm by Chris

Earth and Space Science
f, c, d, e, b, a
Saturday, March 23, 2013 at 9:47pm by Knights

Earth/Space Science
A?
Tuesday, March 20, 2012 at 5:20pm by Astrid

Earth/Space Science
How does damage to the ozone layer cause a threat to humans? A. It increases radiation of heat from Earth into space. B. It allows damaging infrared radiation to penetrate the atmosphere. C. It allows damaging ultraviolet radiation to penetrate the atmosphere. D. It increases ...
Monday, April 2, 2012 at 6:25pm by Astrid

Earth/Space Science
What is a robot?
Thursday, March 22, 2012 at 8:32pm by bobpursley

earth/space science
What is calcite?
Tuesday, October 5, 2010 at 10:38am by bobpursley

Earth/Space Science
Some scientists have hypothesized that meteorites have periodically bombarded Earth and caused mass extinctions every 26 million years. How might this hypothesis be tested?
Tuesday, September 13, 2011 at 9:41pm by Isabella

Physical Science
No. It depends on how far from the Center of the Earth one is. g= forcegravity/massaccelerating= GMassEarth/distance^2 where distance is from the mass to the center of the Earth. Now if one is on the Earth's Surface, one senses a constant g. But if one goes up 1000 miles ...
Monday, January 26, 2009 at 7:29pm by bobpursley

phys sci
the space shuttle orbits at an altitude of approximately 200 km above the surface of the earth. If the radius of the earth itself is 6380km, what is the acceleration due to gravity at the altitude ofthe space shuttle?
Tuesday, July 19, 2011 at 2:09pm by king

earth
how would eath's gravity effect you in space??? At what altitude does the Earth's gravity no longer have an effect on the astronauts or the space shuttle???
Monday, April 19, 2010 at 4:35pm by kelle

physics
The International Space Station, launched in November 1998, makes 15.65 revolutions around the earth each day in a circular orbit. Apply Newton's second law to the space station and find its height (in kilometers) above the earth's surface.
Wednesday, February 23, 2011 at 10:55pm by andrea

Earth/Space Science
Right.
Tuesday, March 20, 2012 at 5:20pm by Ms. Sue

earth space science
evaporite?
Wednesday, October 13, 2010 at 9:34am by Dr Russ

earth science
See the other post. Also you can search at www.google.com with varying search terms. Try these: current study earth science studying earth science now modern study earth science You can probably think of others.
Thursday, November 29, 2007 at 11:31pm by Writeacher

Earth and Space Science
Moon is pretty close.
Saturday, March 23, 2013 at 10:09pm by bobpursley

Earth/Space Science
Think of the Titanic.
Sunday, March 18, 2012 at 8:49pm by Ms. Sue

8th Grade Space and Earth Science
genes
Tuesday, February 3, 2009 at 9:44pm by reasa

Earth/Space Science
Earth's axis tilts at an angle of 23.5 degrees relative to its orbit. Analyze the climate conditions that would exist at the poles and the equator if the axis were parallel to the orbit.
Sunday, April 15, 2012 at 6:43pm by Elena

Science
Help with these questions. 1. Describe a disadvantage of using a telescope positioned in space. 2. What advantage is there to doing laboratory experiments on the International Space Station rather than doing the same experiments on Earth? 3. Explain why it is unlikely that ...
Sunday, May 3, 2009 at 3:12am by John

Science-Help
Small pieces of space debris (usually parts of comets or asteroids) that are on a collision course with the Earth are called meteoroids. When meteoroids enter the Earth's atmosphere they are called meteors. Most meteors burn up in the atmosphere, but if they survive the ...
Monday, February 15, 2010 at 10:13pm by Priscilla

science
how many days would it take to fly to Jupiter (from Earth) in a space shuttle at 45,000 miles per hour? The minimum distance between the Earth and Jupiter is 365 million miles.
Wednesday, October 3, 2012 at 9:44pm by emma

Science
Why are space telescopes able to make better observations in the ultraviolet and infrared ranges than ground-based telescopes? A)space telescopes are closer to the objects that they are observing B) the atmosphere absorbs or reflects much of the UV and IR radiation C) space ...
Sunday, April 15, 2012 at 7:17pm by Elena

earth
a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the acceleration due to gravity to be twice of that of surface of earth. Find the ratio of mass of planet to the earth
Wednesday, September 19, 2012 at 5:53am by hanu

Earth/Space Science
Why are icebergs in shipping lanes so hazardous?
Sunday, March 18, 2012 at 8:49pm by Astrid

Science
What does the Space Shuttle use to land when returning to Earth ?
Wednesday, April 14, 2010 at 6:57pm by Alisha

Earth and space science
what features are associated with subduction zones?
Monday, March 1, 2010 at 7:49pm by nya

earth science
time and space grown is also a factor
Saturday, October 24, 2009 at 6:49pm by Laura

math
The space station is going 17500 mph as it orbits the earth. How long will it take to orbit 1 time if the earths diameter is 7926 miles and the space station orbits at 240 miles above the earth.
Sunday, March 25, 2012 at 2:29pm by Bob

Physics
Hi,I need help with question 1) There were twins on our planet earth. They were physicst. One of them were sent to space at his 20 year. When he comes back after 20 years of stay in the space he was 40 years but his brother who stayed on earth was 60 years old. How can it be? ...
Sunday, October 23, 2011 at 1:36am by Lorry

Earth and Space Science
A galaxy is millions of light years away o.O
Saturday, March 23, 2013 at 10:09pm by Knights

science
Earth loses energy to outer space via radiation.
Wednesday, October 17, 2012 at 10:28pm by MathGuru

Earth/Space Science
On this Centennial of the Titanic disaster, you should know the answer to that.
Sunday, March 18, 2012 at 8:49pm by drwls

earth/space science
How does length of the year change with distance from the sun?
Sunday, June 7, 2009 at 3:52pm by nikcy

8th Grade Space and Earth Science
Need help with these questions its so hard, here are the questions: How is heat transfer demonstratedin the Interior of the Earth? and How is heat transfer demonstrated in Earths oceans?
Tuesday, February 3, 2009 at 9:44pm by Sam

space
does taking a photo from outer space help earth spherical shape?
Wednesday, October 7, 2009 at 6:19pm by Anonymous

science
if a person weighs 120kg on earth, how much would they weigh in space
Tuesday, May 3, 2011 at 6:08pm by JM

science
space doesn't change your weight. weight is just a measure of the force attracting you to a planet or moon or other body. If you are in space, you are farther from the earth, so it exerts less force on you. Hence, you weigh less. Actually, your weight is only felt if there...
Thursday, February 14, 2013 at 5:37pm by Steve

space
the pull of gravity between earth and the sun acts across how many kilometers of space.
Monday, January 10, 2011 at 9:08pm by anisyn

earth and space
the grams on the moon is different then space ?
Wednesday, September 14, 2011 at 11:30am by breanna

geometry
The Hubble Space Telescope is orbiting Earth 600 km above Earth's surface. Earth's radius is about 6370 km. Use the Pythagorean Theorem to find he distance a from the telescope to Earth's horizon. Round your answer to the nearest ten kilometers.
Tuesday, December 9, 2008 at 10:28pm by sarah

Earth-Space Science
what factors might affect the length of the rays after an impact?
Monday, November 19, 2012 at 10:17pm by Jade

Earth space science
what human-made or natural features could interfere with weather radar
Wednesday, December 19, 2007 at 12:32pm by kiara

Earth/Space Science
I'll be glad to check your answer. Hint: Global warming
Tuesday, March 20, 2012 at 5:20pm by Ms. Sue

earth space science grade 11
what is Microbiologist ? I have to name 4 things that tell me what it is
Monday, September 26, 2011 at 9:20pm by ashley B

Physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 120 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth.]
Saturday, March 6, 2010 at 2:37am by Max

phys science
Isn' the force of gravity proportional to distance squared? I am uncertain what into space 3x radiusearth means? is that the altitude, or the distance from the center of the Earth? If altitude, 1/3^2 is how much it decreases. If distance from center of earth, 1/4^2
Tuesday, April 13, 2010 at 2:14pm by bobpursley

Earth/Space Science
What is one way you can make a difference and decrease the impacts of soil erosion?
Sunday, March 18, 2012 at 8:49pm by andrea

earth space science
Since (1/2)^4 = 1/16, that would require 4 half-lives, which is 5 billion years.
Thursday, February 9, 2012 at 9:53am by drwls

science
If you Weighed 360 pounds on Earth with your space suit on, what would you weigh on the moon? Why?
Saturday, January 29, 2011 at 11:32pm by tyson lawson

Phys Science
Good afternoon tutors..I need help on a few problems.Im really stuck.. 1) the space shuttle orbits at an altitude of approximately 200km above the surface of the earth. If the radius of the earth itself is 6380km, whats the acceleration de to gravity at the altitude of the ...
Tuesday, July 19, 2011 at 4:33pm by 45843

space
What is the difference between your questions 1 and 2? Everyone on Earth orbits the sun. If a person leaves Earth and heads for the moon, he or she is still orbiting the sun. The astronauts of Apollo 10 were the first to reach the moon, but the Earth's gravity pulled them ...
Saturday, May 16, 2009 at 8:39am by drwls

Physics
The Hubble Space Telescope orbits the Earth at an approximate altitude of 612 km. Its mass is 11,100 kg and the mass of the Earth is 5.97×1024 kg. The Earth's average radius is 6.38×106 m. What is the magnitude of the gravitational force that the Earth exerts ...
Wednesday, April 6, 2011 at 9:32pm by Denise

Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
Tuesday, January 17, 2012 at 9:19pm by Frank

physics
I just found the following: I didn't find any time tables I still need help Regards Solar radiation on Earth: As the Sun's energy spreads through space its spectral characteristics do not change because space contains almost no interfering matter. However the energy ...
Saturday, December 4, 2010 at 2:19pm by bark

Physics
Consider a space pod somewhere between earth and the moon, at just the right distance so that the gravitational attractions to Earth and Moon are equal. Is this location nearer Earth or Moon?
Tuesday, September 18, 2012 at 1:12am by Anonymous

Earth and Space Science
Largest to smallest is: a, b, e, d, c, f. It really depends on how big the comets and planets and moons are, though. :)
Saturday, March 23, 2013 at 9:47pm by Shaniqua

Physical Science
The acceleration due to gravity is about 10 m/s2 at the Earth's surface. What is the acceleration due to gravity for a person on the space station orbiting 200 miles above the Earth's surface?
Friday, June 11, 2010 at 6:02pm by Danielle

Physics
I have a question about the International Space Station-Its been orbiting earth at 350km-If the radius of the earth is 6,370 km, what is the period of orbit for the Space Station? Secondly, if it was moved to a geosynchronous orbit, what would the new altitude of the station ...
Wednesday, December 1, 2010 at 5:45pm by Julie

space
why cant petrol driven cars we use on earth be used on the earth?
Saturday, January 16, 2010 at 1:37am by Anonymous

science
It is mostly speculation. The idea is that a space object, large, with an iron core, hit early Earth, easily penetrating Earth's crust. Most of the core material joined with Earth's core, however, the impact thru off a considerable amount of mantle material, and some ...
Sunday, November 1, 2009 at 4:47pm by bobpursley

Earth's Heat Resources
How is the energy that reaches earth's surface returned to space? is is by radiation?
Wednesday, December 8, 2010 at 10:22am by Sydney

Earth's Heat Resources
How is the energy that reaches earth's surface returned to space? is is by radiation?
Tuesday, December 7, 2010 at 9:25pm by Sydney

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