Test Bank
Star
astronomy introduction
Sun, Stars And Galaxies
Majorfeaturesoftheuniverseandie 090320145506-phpapp02
Major features of the universe andie
A few definitions Light year (ly): Distance light travels in one years (about 10 trillion km) Andromeda Galaxy – 2.4 million light years away.
Section 2-1 Section 2.1 Units and Measurements Define SI base units for time, length, mass, and temperature. mass: a measurement that reflects the amount.
Chapter 2 Stars and Galaxies. Where are you? The Earth circles the sun The sun is one of billions of billions of stars. To measure distances between stars.
What is this?PH1600: Lecture 1 A Grand Tour of the Universe.
Astronomy Class Notes Jim Mims. Chapter 1 Fundamentals.
