WebPhobos, (or Mars I), is the innermost and larger of the two natural satellite orbiting the planet Mars, with the other being Deimos. ... Escape velocity. 11.39 m/s (41 km/h) Sidereal rotation period. Synchronous. Equatorial rotation … WebJan 16, 2024 · Escape velocity is the velocity of an object required to overcome the gravitational pull of the planet that object is on to escape …
Astronomy 201: Homework 7 Key - Vanderbilt University
WebPhobos [FOH-bohs] (fear) is a moon of Mars and was named after an attendant of the Roman war god Mars. Phobos is a dark body that appears to be composed of C-type surface materials. It is similar to the C-type (blackish carbonaceous chondrite) asteroids that exist in the outer asteroid belt. WebRelated Queries: (current distance earth moon)/(average distance earth moon) escape … eccentric wire
Phobos: Facts About the Doomed Martian Moon Space
In the early 17th century, German astronomer Johannes Kepler proposed that Mars might host two moons, given that it lay between the Earth and Jupiter, which were known to have one and four satellites. No evidence of such moons could be found. Although most people thought that Mars had no moons, … See more As the exploration of continued, scientists were able to learn more information about the satellites circling Mars. The Viking orbiters flew by in the late 1970s. The Soviet Phobos 2 mission, NASA's Mars Global Surveyor, and … See more The examination of Phobos and its companion revealed more than their odd, non-spherical shapes. The two moons are dark gray in color, and heavily cratered. The moons are some of the darkest, least reflective objects in … See more The larger of the two moons, Phobos has a diameter of 10 by 14 by 11 miles (17 by 22 by 18 km). The surface is covered with a dusty powder 3 feet (1 meter) thick, likely caused by … See more But Phobos won't zip around Mars forever. The doomed moon is spiraling inward at a rate of 1.8 centimeters (seven-tenths of an inch) per year, or 1.8 meters (about 6 feet) each century. Within 50 million years, the moon will either … See more WebMar 22, 2011 · Best Answer. Copy. I think I found it on Wiki. Looks like Phobos' e/v is … WebThe rule of thumb provided in the web notes is that we need an escape velocity twice as large as the orbital velocity in order to capture orbiting gas. Or, the gas velocity must be less than 22.4 km/s, since Earth's escape velocity is 11.2 km/s. We could calculate a temperature at which an average hydrogen molecule eccentric women