The force that brings together gas and dust to form a star
What is Gravity?
This is the stage that our Sun is currently in
What is the Main Sequence stage?
This is the _________ of Earth on it's axis
What is spinning?
This is the moving of the Earth ______________ _____ _____.
What is Around the Sun?
We complete a Revolution in 365.26 days. This is the result of the extra .26 day
What is a Leap Year?
This determines what a star will become at the end of it's life
What is Mass/Size?
This is the stage that is located at the bottom of the H-R Diagram
What are White Dwarfs?
This is the rate that the Earth rotates in degrees per hour
What is 15 degrees per hour?
This is the approximate rate that the Earth travels around the Sun in degrees per day
What is 1 degree per day?
These two planets were aligned last night
What are Saturn and Jupiter?
This is the fate of our Sun at the end of it's life
What is a White Dwarf?
This star is most similar to our Sun in temperature and luminosity
What is Alpha Centauri?
This is the EXACT time it takes Earth to complete one full rotation (pg 15)
What is 23 hours 56 minutes 4 seconds
This is the EXACT time it takes the Earth to revolve around the Sun
What is 365.26 days?
December 21st is the shortest day of the year. This is how many hours of daylight we had.
What is 9 hours?
A star nursery (what stars are born from)
What is a Nebula?
This is the average surface temperature of Polaris
What is 6,000K?
These TWO things prove the Earth rotates
What are the Foucault Pendulum and Coriolis Effect?
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?
This is the constellation that Polaris is a part of.
What is the Little Dipper (Ursa Minor)?
This is what a high mass star will become after its Main Sequence phase
What is a SuperGiant?
This star has a similar color to Barnard's Star and a similar luminosity to Rigel
What is Betelgeuse?
Although this star will remain stationary, star trails will show that the Earth is rotating
What is Polaris (the North Star)?
As we revolve around the Sun this position refers to when Earth is furthest away from the Sun
What is Aphelion?
Hertzsprung and this scientist created the chart in your reference table to classify stars
Who is Russell?