1.3.1 Unit Review: Introduction to Astronomy

Key Concepts

- the fundamentals of astronomy

- the celestial objects of the universe

- matter, energy, and radiation

- the historical development of astronomy 

- astronomy and art

Vocabulary

Vocab list is available in edio

Fundamentals

What are some celestial objects?

What tool does an astronomer use?

What are the main branches of astronomy?

What are the 2 sub-branches of astronomy?

Fundamentals

What are some celestial objects?
- stars, planets, moons, asteroids, meteors

What tool does an astronomer use?
- telescopes

What are the main branches of astronomy?
- astrobiology, astrometry, astrogeology, astrophysics

What are the 2 sub-branches of astronomy?
- cosmology, planetary science

Patterns in the Sky

What is the difference between a constellation and an asterism?

Patterns in the Sky

What is the difference between a constellation and an asterism?

A constellation is a larger picture made by connecting stars.

An asterism is a group of bright stars that form simple shapes. These are usually a part of a bigger constellation.

States of Matter

Solid, liquid, gas, and... ?

PLASMA! Plasma is the most common state of matter. The stars are made of plasma, lightning is plasma, and neon lamps.

History of Astronomy

• there is evidence of stargazing dating back to prehistoric times

• ancient peoples studied the stars and created constellations named after their gods

• astrology is the belief that the positions of stars impact your birth - the zodiac constellations were very important

• star charts, calendars, timekeeping, tracking the seasons, art!
  
  
  

Models

What is the geocentric model?


What is the heliocentric model?

Who came up with the laws of planetary motion?

Who discovered gravity?

Models

What is the geocentric model?
- earth-centered model

What is the heliocentric model?
- sun-centered model

Who came up with the laws of planetary motion?
- Johannes Kepler

Who discovered gravity?
- Isaac Newton

Great Job!

During our next class, we will play a review game for more review.

Completed notes are available on the course home page. The link will take you to the notebook! 

If you feel confident right now, go ahead and take the test! 

If you need any help, send me an edio chat :)