01:750:110 Study Guide - Midterm Guide: Chromosphere, Observable Universe, Spectral Resolution
Document Summary
It has not cleared its orbital neighborhood of other objects: the distance to the nearest star to the sun is, about 4 light-years, the diameter of the milky way is about, 100,000 light-years. If the sun were reduced to the size of a grapefruit, earth on the same scale would be: the size of the tip of a ballpoint pen, about 15 meters away from the sun. If the age of the universe were compressed to one year, with the big bang on january. Improving the spectral resolution of a spectrograph comes at the expense of. It rapidly adjusts the shape of the telescopes mirror to compensate for the effects of turbulence. It is closer to the stars: suppose you have two small photographs of the moon. Although they both look the same size, when you blow them up to poster size on of them still looks sharp, while the other one becomes fuzzy *grainy) looking.
