
Unit 9: Galaxies_M
Flashcard
•
Science
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11th Grade
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Practice Problem
•
Hard
Amy Garner
FREE Resource
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9 questions
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1.
FLASHCARD QUESTION
Front
Galaxy
Back
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
2.
FLASHCARD QUESTION
Front
Neutron Star
Back
A star that has COLLAPSED under gravity to the point that the electrons and PROTONS have smashed together to FORM NEUTRONS
3.
FLASHCARD QUESTION
Front
Pulsar
Back
A highly MAGNETIZED, rotating neutron STAR or white dwarf, that EMITS a beam of electromagnetic RADIATION
4.
FLASHCARD QUESTION
Front
Black Hole
Back
A region of space having a gravitational field so intense that no matter or radiation can escape.
5.
FLASHCARD QUESTION
Front
Singularity
Back
A point in which matter is INFINITELY DENSE
Example- center of a black hole or the universe at the very beginning.
6.
FLASHCARD QUESTION
Front
Quasar
Back
A massive and extremely remote celestial object, emitting exceptionally large amounts of energy, and typically having a starlike image in a telescope. Suggested to contain massive black holes and may represent a stage in the evolution of some galaxies.
7.
FLASHCARD QUESTION
Front
Dark Matter
Back
Matter that does NOT give off electromagnetic radiation but is quite abundant in galaxies.
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