AS101 Study Guide - Final Guide: Light Pollution, Planetary Science, Orbital Speed
Document Summary
Although there have been many missions to the moon over the years nothing significant is happening at this time. There is no doubt that the moon is an important stepping stone to the rest of our solar system so we can expect to see activity in this regard over the next ten years. Mars - planet number 4 - our smaller outer. 293 k (max), 220 k (aver), 133 k (min) 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, Oppositions occur at about 780-day intervals (mars"s synodic period) at oppositions mars is fairly bright but less so than.
