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An astronaut lands on a planet that has twice the mass of earth and twice the diameter how does the astronauts weight differ from that on earth?
Wiki User
∙ 13y ago
you will use the formula g=GM/(r^2)
where g = gravity, G is the universal constant, M is mass, and r is the radius of the planet.
earths mass is about 5.937e24 kg
and radius is about 6.371e6 km keep in mind that the earth is not perfectly spherical so this is a mean.
the universal constant is 6.67e-11
now plug in the numbers
g=GM/r^2
g = 6.67e-11 (5.937e24*2) / ((6.371e6)*2)^2
g = 6.67e-11 (1.1874e25) / (1.2742e7)^2
g = 6.67e-11 (1.1874e25) / (1.6235e14)
g = 7.91996e14 / 1.62359e14
g = 4.87805 m/s^2 or half that of earths.
now you can do it on your own.
keep in mind that this is not perfect if you were to calculate with accuracy you would need to know the composition of the planet (the density and thickness of the crust and such)
Wiki User
∙ 13y ago
The astronaut's weight on the planet with twice the mass of Earth and twice the diameter would be the same as on Earth. Weight is determined by both the mass of the object and the gravitational pull, so even though the planet is larger and more massive, the astronaut's weight would not be affected.
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No astronaut has travelled to a different planet. If they were to do so it would be for exploration and exploitation. Astronauts are known to explore and travel for the benefit of the others.
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no astronaut has ever gotten a chance to step on any planet in our solar system {exept in movies }which is fake} astronauts have only stepped on the moon. but we humans recieved information of jupiter by a probe named galileo that arrived jupiter in 1955.
Which planet is 31800 mile in diameter?
The planet you are referring to is Jupiter, which has a diameter of approximately 86,881 miles. Mercury has a diameter of about 3,032 miles, Venus has a diameter of about 7,521 miles, Earth has a diameter of about 7,917 miles, and Mars has a diameter of about 4,212 miles.
Which planet is longest planet?
Jupiter is the longest planet in our solar system, with a diameter of about 86,881 miles.
What is the third largest planet diameter?
The third largest planet in terms of diameter is Uranus, with a diameter of about 50,724 kilometers.
Did the astronauts land or did they just fly by over Venus?
Astronaut did not land in Venus because the planet is hot. If the astronaut land on Venus, they will burn their selfs.
Why do astronaut travel to different planets?
No astronaut has travelled to a different planet. If they were to do so it would be for exploration and exploitation. Astronauts are known to explore and travel for the benefit of the others.
What astronaut take with to explore new planet?
As there are no planets (new or old) close enough for astronauts to explore, this cannot be answered.
Did any astronauts visit the planet Venus?
No, because of the extreme heat, the thick atmosphere, and the long term trip for the astronaut.
Why is it that you can not find the exact diameter of a planet?
Because it is not easy to estimate the diameter of such a big area like the planets Earth, Mars, Neptune and the biggest planet Jupiter.If astronauts go to such planets to estimate their diameter it would be impossible for them to stay as life is not possiblle there.Even being on earth nobody can find the exact diameter.
Are astronauts and astronomers the same?
No, astronauts are individuals who travel to space and conduct research or maintenance on spacecraft, while astronomers are scientists who study celestial objects and phenomena from Earth. Astronomers typically use telescopes to observe and analyze stars, planets, galaxies, and other cosmic bodies.
If an astronaut landed on a planet made of antimatter there would be an explosion as both the astronaut and?
The amount of planet matter equal to that of the astronaut would annihilate.
How have astronauts explored or gotten information on Jupiter?
no astronaut has ever gotten a chance to step on any planet in our solar system {exept in movies }which is fake} astronauts have only stepped on the moon. but we humans recieved information of jupiter by a probe named galileo that arrived jupiter in 1955.
Has an astronaut ever landed on another planet before?
No, astronauts have not landed on another planet besides Earth. The only celestial body besides Earth that humans have landed on is the Moon.
What astronaut has been to Mars the planet?
no
Do astronauts have weight in space?
Any object that has mass has weight even in space. If an astronaut weighs 195 pounds while standing on the planet then he/she will also weigh 195 pounds while in space. Earths gravity, which determined the weight, will exert the same force on this astronaut because the mass is the same. While in space, it may appear the astronaut is "floating", he/she is actually in free fall. What this means is, as they travel around the planet they are in reality "falling" to Earth but, for every inch they fall, the planet move an inch out of their way.
How would your weight differ if you went to a planet twice the diameter of earth?
It depends upon the density of the planet. Another Answer: A person's weight is their Mass multiplied by the Force of Gravity of that particular planet. Your Mass should never change unless you gradually become skinnier or the opposite. So it prominently depends on the Force of Gravity not necessarily the diameter of the planet.
