basics of astronomy outline

basics of astronomy outline

 
 Please write your answers only excluding the original questions.
1
 The earth’s sun in the solar system is a star.
2
Our universe is held in the milky way and it contains over a hundred billion stars, and it is also a hundred thousand light years away.
3
 The big bang is said to be where the universe began.
4
 Light for stars in our universe have to travel great distances that can take many years. So as we see stars from earth that star took years to reach us and be able to be seen.
5
 Earths place in the solar system is our home and also the only known place to hold life continuously.
6
 The nearest stars closest to the sun are 4.2 light years away.
7
 The sun is located near the inner part of the orions arm in the galaxy. The sun is moving 60 sky degrees towards the galactic center of the milky way.
8
 There are estimated to be over 100 billion stars in our galaxy and it would take more than our lifetime to count them all.
9
 The earth’s age is said to be about four billion years old while the universe is said to be about thirteen to fourteen billion years old.
10
 The earth travels around the sun at about 30 km/s moving faster than the space shuttle around our galaxy.
11
 Other galaxies are moving towards earth are said to shift towards the bluish end of our spectrum, while the galaxies moving away from us are said to go towards the red end of the spectrum.
12
 The Polaris is the north star and the significance behind it is it does not move and it is also said to be the point end of the big dippers handle.
13
 The lunar eclipse is when the moon passes unto the shadows of the earth, a solar eclipse is when the moon aligns with the sun and the earth exactly during the day.
14
 The eclipses do not happen every month because the sun and moon do not sun on the same orbital plan and the only way it could happen every month is if they both were on coplanar orbits.
15
 In the Ptolemaic model the earth is said to be the center of the...

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