Definitions
Questions
Stars
Galaxies
Planets
100
the band of colors made when light passes through a prism.
What is the definition of Spectrum?
100
an objecct so big in space that light cant escape its gravity.
What is a black hole?
100
main sequence, red giant, super giant, and white dwarf.
What are the type of stars?
100
massive blobs of stars with brightness in the center.
What are oliptical galaxies?
100
1. mercury 2. venus 3. earth 4. mars 5. jupiter 6. saturn 7. uranus 8. neptune
List the 8 planets in order.
200
when a star becomes denser and changes from hydrogen to helium.
What is the definition of nuclear fusion?
200
the theory that the universe began with a tremendous explosion 13.7 billion years ago.
What is the Big Bang Theory?
200
billions of years.
How long is a star thought to live?
200
the very luminous star like object that generates power at a high rate.
What is the definition of a quasars?
200
60,200 days
How many days does it take for neptune to orbit around the sun?
300
a star that has collapsed under gravity and is only neutron patricle.
What is the definition of nuetron star?
300
galaxies
What contains billions of stars?
300
its outer layer is dense and hot while the inside is full of cool gases.
What is a stars outer and inner layer made of?
300
a large cloud of gas and dust that grow, absorb or reflect light.
What is the definition of a neblua?
300
63
How many moons does jupiter have?
400
galaxies that dont fit inot any other category.
What is the definition of Irregular galaxies?
400
9.5 trillion kilometers
How many kilometers is a light year?
400
they start out as a ball of gas and dust that get formed into a sphere by gravity.
How are stars formed?
400
they have a boldge at the center, and spiral arms, these arms are made up of gas, dust, and new stars.
What are the characteristics of a spiral galaxy?
400
mercury
Which planet has a moon like surface?
500
the radiation that was left in the universe from the Big Bang Theory.
What is the definition of cosmic backround radiation?
500
a graph that shows the relationship of a stars surface and absolute magnitude.
What is the H.R. Diagram?
500
by size, color, mass, brightness, tempertature, spectrum, and age.
how are stars classified?
500
because of the gas, dust, and stars but astronomers believed that it is a spiral galaxy.
Why is it hard for us to fully understand what type of galaxy the milky way is?
500
uranus
which planet has hydrogen, helium, and methane as the major atmospheric constituents?
M
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