What is the Big Bang?
The spiral galaxy the Earth and Sun are located in.
What is the Milky Way?
The swollen phase a main sequence star goes through at the end of its life.
What is a red giant?
A massive collection of dust, stars, and gas bound together by gravity.
What is a galaxy?
The commonly accepted theory of the universe's origin which states that galaxies have been moving apart from each other since the birth of the universe.
What is the Big Bang Theory?
A large and common galaxy with an elliptical appearance.
The phase a star spends most of its life in, our Sun is this type of star.
The brightness of a star as seen from Earth.
What is apparent magnitude?
What is a black hole?
A large cloud of gas and dust in space, known as the birthplace of stars.
A galaxy with a nucleus and a disk with spiral arms.
What is a spiral galaxy?
A small, low mass star with a long life.
What is a red dwarf?
What is a hypothesis?
A region in the sky with a recognizable star pattern.
What is a constellation?
A now-disproven theory that claimed the universe stayed the same over time.
What is the Steady State Theory?
A small galaxy with no identifiable shape.
What is an irregular galaxy?
The final phase a low mass star goes through before dying.
An apparent shift in the position of an object when viewed from different locations.
What is parallax?
A spherical collection of stars bound together by gravity.
What is a globular cluster?
Who were Fred Hoyle, Herman Bondi, and Thomas Gold?
The closest large galaxy to the Milky Way, set to collide with the Milky Way in about 4.5 billion years.
What is Andromeda?
The final phase a massive star goes through before exploding in a supernova.
What is a red supergiant?
A graph that shows the relationship between a star's surface temperature and absolute magnitude.
What is a Hertzsprung-Russel diagram?
The form a large mass star takes after a supernova if it doesn't collapse into a black hole.
What is a neutron star?