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Science Weekly 18 Vocab 2/9/09
Vocabulary Words. The Universe, Solar System, Star, Asteroids, Hubble, etc.
19
Science
5th Grade
02/09/2009

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Term
astronomy
Definition
The study of space and the objects and matter outside the Earth's atmosphere
Term
Binary Stars
Definition
paired stars
Term
celestrial
Definition
relating to the sky or heavens visible from the Earth
Term
constellation
Definition
a group of stars that from a pattern or picture in the sky.
Term
cosmos
Definition
another word for universe
Term
interstellar
Definition
located among or traveling through the stars
Term
magnitude
Definition
the brightness of a star seen from Earth
Term
nebula
Definition
a huge cloud of gas and dust (plural: nebulae)
Term
protostar
Definition
a nebula that will develop a star
Term
pulsar
Definition
a neutron star that sends out energy in pulses
Term
pulsar
Definition
a neutron star that sends out energy in pulses
Term
red giant
Definition
a star much larger than our sun with a relatively cool surface temperature.
Term
red giant
Definition
a star much larger than our sun with a relatively cool surface temperature.
Term
singularity
Definition
the center of a black hole
Term
sphere
Definition
a round body like a planet or star
Term
spiral galaxy
Definition
a galaxy in which the stars near the outside spin around the core.
Term
subatomic
Definition
smaller than an atom
Term
supernova
Definition
the explosion of a very old star caused by the collapse of its core
Term
vacuum
Definition
a space containing absolutely no matter
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