AS101 Study Guide - Final Guide: Orbital Period, Flagstaff, Arizona, Color Depth

35 views6 pages
10 Apr 2018
School
Department
Course
Professor

Document Summary

Mars - planet number 4 - our smaller outer. 293 k (max), 220 k (aver), 133 k (min) Earth only 56 million km (at this distance its angular size is 25 ). You may remember that such an event occurred during the summer of 2003 when mars was as close to earth as it has been in 60,000 years. For weeks interested parties viewed mars nightly, kindling a renewed interest in the red planet. Such occurrences (at its perihelion and at opposition) are relatively rare, the last previous one happening on september 29, 1988. Mars" rotation rate is very similar to earth"s, being about 24. 6 hours (making a. The huge canyon known as valles marineris dominates the surface of mars around the tharsis bulge and was formed when the planet"s surface bulged out under the forces of crustal formation, resulting in this cracked formation. It was originally mistaken as evidence of martian.