Web13 de abr. de 2024 · Deimos is almost half the size of Phobos; its diameter is very tiny by the standards of the solar system — 12.4 km, its mass is 2,0х10 15 kg, and the average surface temperature is -40.15°C. The satellite is located at a distance of 23,458 km (14.5 thousand miles) from Mars and makes a revolution around it in 30 hours, 18 minutes 43 … WebClose-up images show that Phobos, the larger moon, is a potato-shaped space rock measuring just 27 km x 22 km x 19 km. It is very dark - blacker than coal – and heavily cratered. By carefully tracking the way Phobos pulls on Mars Express during each flyby, scientists have found that the satellite is not very dense.
Phobos monolith - Wikipedia
Web16 de ago. de 2013 · Deimos has a diameter of 7.5 miles (12 kilometers) and was 12,800 miles (20,500 kilometers) from the rover at the time of the image. Phobos has a diameter 14 miles (22 kilometers) and was 3,900 … Web13 de abr. de 2024 · Views from around the region at mid-eclipse. Credit: Stellarium. Singapore – 3:55 UT-15.6% maximum obscuration, with the Sun at 70.5 degrees altitude. extract from diary of a killer cat
How did Mars get its "impossible" moons, Phobos and Deimos? - Big Think
Web19 de dez. de 2024 · Mars' moons are among the smallest in the solar system. Phobos is a bit larger than Deimos, and orbits only 3,700 miles (6,000 kilometers) above the … Web10 de jan. de 2024 · It's common on the surface of Mars, an indication that Phobos formed from the Martian substrate. However, composition argument isn't the only indication that Phobos and Deimos may have originated from Mars itself. There is also the question of their orbits. They're nearly circular. They are also very near to Mars' equator. WebPhobos (/ ˈ f oʊ b ɒ s /; systematic designation: Mars I) is the innermost and larger of the two natural satellites of Mars, the other being Deimos.The two moons were discovered in 1877 by American astronomer Asaph Hall.It is named after Phobos, the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos.. Phobos is a small, … doctor hartson at 4 n