Science Quiz / Ch 4 Stars, Galaxies, and the Universe

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Can you name the Ch 4 Stars, Galaxies, and the Universe Key Terms?

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DefinitionTerm
Do black holes form from high mass stars or low mass stars?
A contracting cloud of gas and dust with enough mass to form a star
Unknown force that is causing the universe to expand
Does a planetary nebula form from high mass stars or low mass stars?
True or false: Our sun is a medium-sized star.
The galaxy that our solar system is located in
Leftover thermal (heat) energy from the big bang
Do white dwarves form from high mass stars or low mass stars?
Explosion that created our universe
If a star is red, is it hot or cool?
Which stars live longer lives: high mass stars or low mass stars?
True or false: The universe is about 13.7 billion years old.
The distance that light travels in one year
Small asteroid-like and comet-like bodies that collided to form the planets
The blue-white core of a star that is left behind and cools becomes a ________.
The diagonal area of stars on the Hertzsprung-Russell diagram
Type of galaxy with a bulge in the middle and arms that spiral outward
How long a star lives depends on its _______.
If a star is blue, is it hot or cool?
Brightess as seen from the same distance (actual brightness)
Large cloud of gas and dust from which stars form
Astronomer who stated that the farther away a galaxy is, the faster it is moving away from us (last name only)
DefinitionTerm
Do neutron stars form from high mass stars or low mass stars?
Do supergiants form from high mass stars or low mass stars?
Do supernovas form from high mass stars or low mass stars?
The brightness of a star depends upon both its size and ___________.
Huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
Very large groupings of stars
Brightness as seen from Earth
Type of galaxy that is shaped like a stretched out ball
Type of galaxy that does not have a regular shape
Star systems that have two stars
A protostar becomes a star when _________ begins.
An object with gravity so strong that nothing, not even light, can escape
When the dim star blocks light from the bright star in a binary star
Scientific notation uses powers of this number to write very large or very small numbers
Do red giants form from high mass stars or low mass stars?
Matter that does not give off electromagnetic radiation
Type of star cluster that is loosely packed with only a few thousand stars
The explosion of a supergiant
Group of two or more stars
The apparent change in position of an object when you look at it from different places.
Type of star cluster that is tightly packed with over a million stars
Large cloud of gas and dust that formed our solar system

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