The Universe
Galaxies
Origin of the Universe
Stars
Our Sun
100
Everything physical that exists in space and time
What is the universe?
100
This is the galaxy we live in
What is the Milky Way galaxy
100
the universe began with a gigantic explosion 10 billion to 20 billion years ago
What is the big bang theory?
100
a group of stars appearing in a pattern as seen from Earth
What is a constellation?
100
the age of our sun
What is 5 billion years old
200
this is the number of universes
What is one
200
this is the shape of our galaxy
What is spiral
200
The big bang explosion released all of the ____________and __________________ that still exists in the universe today
What is matter and energy?
200
hydrogen and helium
What are the gases that make up stars
200
a large reddish star late in its life cycle, this will happen to our sun
What is a red giant?
300
Collection of millions or billions of stars bound together by gravity
What is a galaxy?
300
clouds of gas and dust between the stars
What is interstellar matter
300
according to the big bang theory _______________ existed before the big bang?
What is nothing?
300
stars formed in a cloud of gas and dust
What is a nebula?
300
a small, very dense star that remains after fusion in a red giant stops
What is a white dwarf?
400
ball of hot gas that emits light
What is a star?
400
the three types of galaxies
What is spiral, elliptical, and irregular
400
The universe will keep expanding forever
What is one of the possible outcomes for the universe
400
nearly 90 percent of all stars are in________________
What is midlife?
400
an extremely large star that creates elements as heavy as iron
What is a supergiant?
500
a unit of distance equal to the distance light travels in one year
What is a light year?
500
this is the nearest galaxy to us
What is teh Andromeda galaxy
500
the age of the universe
What is 15 billion years old
500
when the Milky Way galaxy was formed
What is 5 billion years ago?
500
a powerful explosion that occurs when a massive star dies
What is a supernova?
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