Slide 1 Supermassive black holes Slide 2 2 Plan of the lecture 1. General information about SMBHs. 2. “Our” certain black hole: Sgr A*. 3. SMBHs: from radio to gamma.…
A galaxy is a group of stars, dust, and gases held together by gravity. • The Milky Way is a large spiral galaxy whose disk is about 100,000 light-years wide and about…
25.3 The Universe Do Now Put the following in order from largest to smallest Galaxy Earth’s Moon Sun Universe Planet (Earth) Solar system What is the name of our Galaxy?…