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Space
Celestial object
Sun
first four are terrestrial planet
the closest to the sun
Mercury
Venus
the last four are the Jovian
planet
Earth
Mars
the last four are the furthest away from the sun
Jupiter
Saturn
Uranus
Neptune
Red shift
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Star
When its moving further away from the earth
Shows universe expanding
Less compressed
Blue shift
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Moving towards the earth
Less likely to happen
Shows the universe is coming together
More compressed
Big Bang
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One theory of how the universe was formed
Started out as a dot
Got bigger and bigger
Expands very fast
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Start as a star
Then develops as the galaxies
Elliptical, irregular, spiral galaxies
Solar system, Milky Way, galaxy, universe.
Life cycle of stars
1.
2.
3.
4.
Nebula
Protostar
Main sequence star
Red giant
4B. Super giant
5a. Planetary nebula
5b. Super nova
6a. White dwarf
6b1. Black holes
6b2.Neutron star
Rotation
Revolution- movement of a planet of other body orbiting another.
Rotation- spinning of a planet or other body axis.
Axis- imaginary line through the center of a planet of other body around which the body spins.
Earth revolves around the sun once every 365 ¼ days counter clock wise. Moon revolves
around the earth every 27 1/3 days.
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15 degrees per hour---time zones (24 time zones)----day and night
The moon rotates around its axis in 27 days.
The earth rotates around in 24 hours, but revolves around the sun in 365 days.
In the earths rotation its takes 24 hours but has time zones