Telescopes
The Universe
Stars
Galaxies
Expanding Universe
100
The distance light travels in a year.
What is a light year?
100
All of space and everything in it.
What is the universe?
100
Characteristics to classify stars.
What is size, brightness, and temperature?
100
Star system with two stars.
What is binary star system?
100
The huge explosion that astronomers think was the birth of the universe.
What is the big bang?
200
The difference between reflecting telescopes and refracting telescopes.
What is reflecting telescopes use a mirror instead of an objective lens?
200
The range of colors formed when white light passes through a prism.
What is a spectrum?
200
The Hertzsprung-Russell diagram shows that when main-sequence increase in brightness, this also increases.
What is temperature?
200
The major difference between elliptical galaxies and spiral galaxies.
What is elliptical galaxies have no gas or dust in between stars?
200
The matter that does not give off electromagnetic radiation.
What is dark matter?
300
This is used to determine a star's distance from Earth.
What is a parallax?
300
4.2 X 10^16 m in expanded form.
What is 42,000,000,000,000,000 meters?
300
A star is born when this starts.
What is nuclear fusion?
300
The name of our galaxy and the type of galaxy we are in.
What is the Milky Way Galaxy which is a spiral galaxy?
300
The two pieces of evidence that support the big bang theory.
What is Hubble's Law and cosmic background radiation?
400
Reflecting and refracting telescopes are designed to do these two things.
What is collect and focus light?
400
The apparent change in position of an object when you look at it from different places. Astronomers use this to determine distances of nearby stars.
What is parallax?
400
A supernova can end up becoming these two types objects at the end of its life cycle.
What is a neutron star or a black hole?
400
Two ways to know if there is a binary star system.
What is if the star is wobbling or by an eclipse of another star?
400
Describe Hubble's Law.
What is the farther away a galaxy is, the faster it is moving away from us?
500
Name the wavelengths in the electromagnetic spectrum from shortest to longest.
What is gamma rays, x-rays, ultraviolet rays, visible light, infrared, and radio waves?
500
The nearest star to Earth after the sun.
What is Alpha Centauri?
500
The difference between apparent brightness and absolute brightness.
What is apparent brightness is brightness as seen from Earth and absolute brightness is the brightness if the star were at a standard distance from Earth?
500
The difference between open clusters and globular clusters.
What is open clusters have a loose, disorganized appearance and are made up of a few thousand stars and can contain supergiants, gas and dust. Globular clusters are older stars, round in appearance, can contain more than a million stars?
500
Describe the big crunch.
What is the reverse of the big bang where the universe would be crushed in an enormous black hole?
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