Light
The Universe
Atoms
Stars
Miscellaneous
100
A body in space can be determined to be moving towards or away from Earth due to what effect?
What is Doppler effect.
100
The Milky Way galaxy has what shape?
What is a spiral.
100
Positively charged particle in the nucleus of the atom.
What is a proton.
100
A young star is composed of ______ elements.
What is light.
100
______ elements in a star mean that it is old and about to explode.
What is heavy.
200
Using starlight you are able to identify a _____ _______ on a spectrum.
What is red shift.
200
Besides size and shape, what is one MAJOR differene between galaxies?
What is the age of their stars.
200
Negatively charged particle orbiting around the nucleus of the atom.
What is an electron.
200
An old star is composed of _______ elements.
What is heavy.
200
These, in distant galaxies, indicate that the universe is expanding.
What is red shifts.
300
Acts as a "fingerprint" to the makeup of a star or object.
What is spectral lines.
300
How many galaxies are in the universe?
What is billions.
300
These are the building blocks of all matter.
What is atoms.
300
Stars generate heat and light via what nuclear process?
What is fusion.
300
How old is the universe?
What is 13.8 billion years old.
400
Radio waves, microwaves, infrared light, visible light, etc. all are encompassed (included in) what?
What is the electromagnetic spectrum.
400
Red-shifted starlight and what give provide evidence for the Big Bang theory?
What is Cosmic Background Radiation.
400
Elements are organized by their what (think general)?
What is properties.
400
The light of a star can be used to determine its size. True or false?
What is true.
400
What are stars held together by?
What is gravity.
500
Astronomers have determined the major properties of stars by analyzing their light. True or false?
What is true.
500
The Big Bang theory states that at one time the universe was confined into a what?
What is a singularity.
500
Elemental particle that makes up the subatomic particles of an atom.
What is a quark.
500
Supernovas are made of the lightest elements. True or false?
What is false.
500
In spectral lines the types of spectra studied were: continuous, absorption, and _______.
What is emission.
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