Describing the Universe

IN TERMS OF TIME,DISTANCE,AND ORGANIZATION

What is astronomy?

Astronomy means a lot to humans because everything in the universe can be studied.Stuff like the galaxies that around it. Study the age of stars by looking at its color, or the thoughts about aliens might be real. Or comets ,meteors rocks that look interesting just floating around the solar system, there is a bunch of things to study when it comes to astronomy.

Objectives

1.Describe characteristics of the universe in terms of time,distance, and organization

2.identify the visible and nonvisible parts of the electromagnetic spectrum.

3.Compare refracting telescopes and reflecting telescopes.

4.Explain how telescopes for nonvisible electromagnetic radiation differ from light telescopes.