Slide 1 Mrs. Kettering 8 th Grade Science 2011 Slide 2 There is a lot of controversy over the age of our universe There is a lot of controversy over the age of our universe…
Chapter 12 Chapter 12 We can use space exploration to learn about stars, nebulae, and galaxies outside our solar system 1 Learning about Space Our current understanding of…
1. It was in prehistoric times when humans first noted starsin the night sky, and it is where you can probably tracethe roots of astronomy. In modern times Astronomy…