Name:______

Training Activity #2: Space Notes on Astronomy Review

  • Explain why a light year is a good form of measurement for Astronomy.

______

Astronomers

  • If Ptolemy and Copernicus could sit down and talk to each other, would they agree? What might their conversation be like?

______

What item did Galileo Galilei produce that would be very useful to Isaac Newton, and why?

What would Isaac Newton explain to Ptolemy and Copernicus?

Constellations

  1. What are they?
  1. Who named them and why?
  1. Why do constellations change each season?

Telescopes

  1. What do telescopes do?
  1. What are the two types of telescopes, and how are they different from each other?


  1. How is the Hubble Space Telescope different from the Chandra X-ray telescope?

Our Place in the Universe

  1. Traveling at light speed, how long could it take you span the distance of the universe?
  1. How many times greater is the diameter of the Milky Way Galaxy compared to the diameter of the Solar System?

Inner Planets – all terrestrial (have land)

  1. What makes Earth special for life?
  1. On which planet is the day longer than the year?
  1. On which planet(s) can lead melt (melting point 327.5 degrees C)?

Why?

  1. On which planet do you think you’re likely to find frozen carbon dioxide and

frozen water? Why?

Outer Planets – all gas giants

  1. List the planets that have rings:
  1. Which elements are the most popular in the outer gaseous planets?
  1. Which planet is the terrestrial planet, and what is its main composition? What is its moon called?
  1. Which planet is the smallest gaseous planet?

Comets and Asteroids:

Explain how a comet is different from an asteroid, use at least 3 differences.

Meteoroid/Meteorite/Meteor

How are meteoroids, meteorites, and meteors different from each other?

Stars

  1. What is absolute magnitude of a star? As the absolute magnitude goes up, what happens to thetemperature of the star?
  1. Sun is what kind of star? How does the sun produce energy?
  1. What is a sun spot?

Hertzsprung-Russell (HR) Diagram

Old Stars:

An exploding star (bigger star when it dies) is called a______.

What are the two things the remains of an exploded star can become?

1.______

2.______

Explain 1:______

Explain 2:______

Galaxies:

What are they, and what types exist? Which do we live in?

The Big Bang Theory:

Describe: