Star Life Cycle
H-R Diagram
Rotation
Revolution
Fun Facts
100

The force that brings together gas and dust to form a star

What is Gravity?

100

This is the stage that our Sun is currently in

What is the Main Sequence stage?

100

This is the _________ of Earth on it's axis

What is spinning?

100

This is the moving of the Earth ______________  _____ _____.

What is Around the Sun?

100

We complete a Revolution in 365.26 days. This is the result of the extra .26 day

What is a Leap Year?

200

This determines what a star will become at the end of it's life

What is Mass/Size?

200

This is the stage that is located at the bottom of the H-R Diagram

What are White Dwarfs?

200

This is the rate that the Earth rotates in degrees per hour

What is 15 degrees per hour?

200

This is the approximate rate that the Earth travels around the Sun in degrees per day

What is 1 degree per day?

200

These two planets were aligned last night

What are Saturn and Jupiter?

300

This is the fate of our Sun at the end of it's life

What is a White Dwarf?

300

This star is most similar to our Sun in temperature and luminosity

What is Alpha Centauri?

300

This is the EXACT time it takes Earth to complete one full rotation (pg 15)

What is 23 hours 56 minutes 4 seconds

300

This is the EXACT time it takes the Earth to revolve around the Sun

What is 365.26 days?

300

December 21st is the shortest day of the year. This is how many hours of daylight we had.

What is 9 hours?

400

A star nursery (what stars are born from)

What is a Nebula?

400

This is the average surface temperature of Polaris

What is 6,000K?

400

These TWO things prove the Earth rotates

What are the Foucault Pendulum and Coriolis Effect?

400

These Two things prove that the Earth revolves around the Sun

What are the change in seasons and the change in constellations throughout the year?

400

This is the constellation that Polaris is a part of.

What is the Little Dipper (Ursa Minor)?

500

This is what a high mass star will become after its Main Sequence phase

What is a SuperGiant?

500

This star has a similar color to Barnard's Star and a similar luminosity to Rigel

What is Betelgeuse?

500

Although this star will remain stationary, star trails will show that the Earth is rotating

What is Polaris (the North Star)?

500

As we revolve around the Sun this position refers to when Earth is furthest away from the Sun

What is Aphelion?

500

Hertzsprung and this scientist created the chart in your reference table to classify stars

Who is Russell?

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