APOD 2.3

This is a topographical picture of the moon that shows the elevation differences on the moon. The different colors correspond to different ranges of heights. They range from white to purple which are heights from highest to lowest respectively. The large purple area near the bottom is a huge impact basin which is one of the largest in the solar system. It is 2500 km across and 12 km deep.

APOD 2.2

This is a picture of the wizard nebula, whose formal name is NGC 7380. There is gravitation strong enough to create stars and stellar winds that create towers of gas. It is nicknamed the wizard nebula because the 8000 light year away nebula looks like the description of a medieval sorcerer. It is about 100 light years across and the stars being formed may outlive our sun.

Apod 2.1

This is a picture of the galaxy M83 that is 12 million light years away. It is located near the southeastern tip of the constellation hydra. The picture was made using the Hubble archives and is nicknamed the southern pinwheel because of the bright blue stars around its spiral arms. It is also called the thousand ruby galaxy because of its many reddish stars. It is around 25,000 light years across.