HR Diagram
These 7 letters are found at the top of the diagram
What is spectral classes
These are the three primary types of galaxies
Spiral, Eliptical, Irregular
A group of stars, dust, and gas
What is a galaxy
This is the most common theory as to how the universe started
What is the Big Bang Theory
Distance light travels in one year
What is a light year
This is the first stage of a stars life cycle
What is a Nebula
Also a spiral Galaxy, this Galaxy has a defined bar of stars, includes our Milky Way
what is a barred spiral galaxy
I am the nearest major galaxy next to the Milky Way
What is Andromeda
This is the largest object in our solar system
What is the sun
This causes stars to appear to be blinking
What is the bend of the Earth
The four most common star types
What is Giants, Super Giants, Main Sequence, and white dwarfs
This Galaxy type looks like an egg
What is elliptical
The milky way is this type of galaxy
What is a barred spiral
These 2 tools are used to aid scientists in studying space
What is a telescope and computer simulations
faint radiation found throughout the universe, considered to be left over from the universe’s early stages
What is cosmic Microwave background
This Diagrams Actual Name
What is the Hertzsprung-Russell Diagram
This galaxy type has flat disk with spiral arms
What is a spiral galaxy
Our solar system is located here
What is one of the rotating arms
the stretching of light wavelengths that occurs when a light-emitting object moves away from an observer, causing the wavelengths to “shift” toward the red endof the visible light spectrum
What is red shift
Temperature used in space
What is Kelvin
A star with high luminosity but low temp lands here on the diagram
What is the top Right corner
This is believed to be at the center of the galaxy
What is a large black hole
Age is nothing but a number, but how old is the Milky Way
Approx 13 billion years
Name 2 theories other than the Big Bang that we discussed in class
What is Alien Test Tube and Religion
A cloud of gas and dust in outer space where stars are formed
Stellar Nebula