Astronomy+Things+in+our+Universe

Welcome to Astronomy Class where we will study the Universe and Our Place in it! back to home page A Sense of scale and size.................. media type="youtube" key="HEheh1BH34Q" height="390" width="640"

Our Universe is everything that there is. How is it organized? Solar System Galaxy Group Super Cluster Universe





media type="custom" key="11626666"media type="custom" key="27157440"

=Where do we get our information about these far away places and structures??=

= How do stars change over time? What makes them change? What is created by their change? =