H-R Diagram
H-R stands for...
What is Hertzsprung-Russell?
This is the largest Planet in the Solar System
What is Jupiter?
These are thought to be the earliest elements
What is Hydrogen and Helium?
This is what is happening to the size of the Universe
What is expanding (getting larger)?
This is approximately how many miles are in one lightyear
What is 6 trillion?
The luminosity of the Sun is..
What is 1?
What is Mercury?
What is Mass(size)?
This is the name and shape of our galaxy
What is Milky Way and spiral?
This is the distance the Earth is from the Sun
What is 149.6 million km?
What is White Dwarfs?
These are the 2 planets that the asteroid belt is found between
What is Mars and Jupiter?
What is a Supernova?
What is 13-14 billion years?
This is the true shape of the Earth
What is Oblate Spheroid?
What is red?
This planet has a longer day than year
What is Venus?
This is the process stars go through that allows them to shine
What is Nuclear Fusion?
These are the 3 theories behind how the universe started
What is Oscillating (pulsating), Steady State(continuous creation), and Big Bang?
Name the 7 subcategories of the electromagnetic spectrum from longest to shortest
What is Radio, Micro, Infrared, Visible Light, Ultraviolet, X-Ray, Gamma?
What is Blue/Blue-White?
This is another name for the gas giants
What is Jovian?
This is the name for a star that appears to rise and set
What is dirunal?
These are two pieces of evidence that supports the Universe is expanding
What is Background radiation and the red shift?
This is approximately how many Earth's could fit in the sun
What is 1,000,000?