Questions tagged [deimos]

Questions regarding Mars' smaller moon.

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13 votes
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Does bending of light around the Sun depend on the wavelength?

If the energy of light is high, does its curvature differ from that of low-energy light around the Sun? In other words, if the wavelength of the light is shorter than another wavelength of light, then ...
Red Bel's user avatar
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4 votes
1 answer

When were Swift and Voltaire discovered?

Deimos -- Mars' smallest moon -- has only two named features: the Swift crater and the Voltaire crater. Based on the Gazetteer of Planetary Nomenclature, their names were approved in 1973. Given the ...
usernumber's user avatar
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Has the inclination of the orbital plane of Phobos and Deimos followed that of Mars' axial tilt?

Phobos and Deimos are very close to Mars' equatorial plane (the inclination of their orbits is roughly 1°). The axial tilt of Mars has changed a lot over time, and might have had a inclination of over ...
usernumber's user avatar
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2 votes
1 answer

How did the orbits of Phobos and Deimos circularize?

The satellites of Mars might be captured asteroids. But Phobos has an eccentricity of $0.015$, and Deimos of $3\times10^{-4}$. If they were captured, they likely were captured with rather eccentric ...
usernumber's user avatar
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1 vote
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What is the maximum speed in which a human jumping away from Deimos and towards Mars would actually fall back down rather than enter Mars' gravity?

Imagine a universe in which Deimos and a human are the only objects in the universe. It doesn't matter if the human jumped even 1 nanometer per second slower than escape velocity, they would still ...
user177107's user avatar
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-2 votes
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Phobos and Deimos tidal locked?

Are Phobos and Deimos tidally locked to Mars?
StarGirl6789's user avatar
-3 votes
2 answers

Which is closer to the Earth, Phobos, Deimos or Mars? [closed]

Which one is closer to the Earth, Phobos, Deimos or Mars? None of the answers that I find actually answer my question.
Starship - On Strike's user avatar