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Jerrica's Outer Space
Stars, moon, revolution, planets vocab
11
Science
6th Grade
01/30/2006

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Cards

Term
Solstice
Definition
A point in Earth's orbit around the the sun where daylight is either the longest or the shortest amount possible.
Term
Equinox
Definition
A point in Earth's orbit around the sun where nights and days are the same legnth.
Term
Lunar Eclipse
Definition
A darkening of the moonwhen it passes through Earth's shadow.
Term
Tides
Definition
The rise and fall of water in the ocean and seas caused mainly by the gravitational pull of the moon on Earth.
Term
Galaxy
Definition
A system of billions of stars, gases, and dust.
Term
Quasars
Definition
Brilliant objects in space that may be the powerhouses of developing galaxies.
Term
Nebula
Definition
Cloud of gas and dust in space.
Term
Red Giant
Definition
A star that has swelled and glows with a red color.
Term
Supernova
Definition
The explosion of a star, releasing huge amounts of light and other energy.
Term
Black Hole
Definition
An invisible object in space whose mass and gravitational force is so great that not even light can escape.
Term
Big Bang Theory
Definition
The idea that the universe started a huge explosion aboot 15 billion years ago.
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