Galaxies
Telescopes
Black Holes
Star Clusters
Element Creation
100
This type of galaxy contains mostly new stars.
What's a spiral galaxy?
100
An instrument that gathers electromagnetic radiation from object in space and concentrates it for better observation.
What is an Astronomy telescope?
100
Black holes do not emit any light as light cannot escape.
Why are black holes not included in the HR diagram?
100
A group of stars that are gravitationally bounded.
What is a star cluster?
100
The primary elements of a star.
What is hydrogen and helium?
200
This type of galaxy contains mostly older stars.
What is an elliptical galaxy?
200
This kind of telescope is used to study visible light from objects in the universe.
What is an optical telescope?
200
Black holes can be formed from a __.
What is a supernova?
200
A type of star cluster where it usually contains hundreds of thousands old stars.
What is globular cluster?
200
Even a supergiant is able to fuse this element after the star's core exhausted its hydrogen supply.
What is helium?
300
This is the type of star system and galaxy in which our star belongs.
What is the single star system and a spiral galaxy?
300
This type of telescope that uses mirrors to gather and focus light.
What is a reflecting telescope?
300
The naked eye cannot see a black hole, but using __ and special __ can allow scientists to detect high energy light from a black hole.
What are satellites and telescopes?
300
This star cluster contains less than a few hundred members, usually very young stars.
What is an open cluster?
300
The core of the supergiant will collapse due to the core forming this element.
What is iron?
400
The approximate amount of stars a galaxy can hold.
What are 1* 10^18 stars?
400
This type of telescope uses lenses to gather and focus light.
What is a refracting telescope?
400
This appears as a stream of light/plasma from the top and bottom of a black hole.
What is a quasar?
400
Open clusters usually contain these types of stars.
What are O, A, and B stars?
400
After exhausting its helium supply, the star's temperature rises to start combining this element.
What is carbon?
500
This type shift that shows the compaction, or shortening, of wavelengths by the spectroscope?
What is a blue shift?
500
The two places you can put a telescope for clearer observations.
1) In outer space 2) At the tops of mountains
500
This type of black hole holds 20 times more mass than the mass of the Sun.
What is stellar black hole?
500
The heavier elements formed after helium is exhausted (List three).
What are carbon, silicon, oxygen, neon, and iron?
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