The Ultimate Space Book

Improved Essays
The ultimate space book

By Nathan Deline
The ultimate space book

The big bang
1. The big bang happened 13.8 million years ago
2. The big bang is the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.
3. This is the red shift the displacement of spectral lines toward longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects. This is interpreted as a Doppler shift that is proportional to the velocity of recession and thus to distance. Stars
1. So creating a brand new element requires loading an atom's nucleus with more protons. Stars create new elements in their cores by squeezing
…show more content…
The solar nebular hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas. It is believed that the sun, planets, moons, and asteroids were formed around the same time around 4.5 billion years ago from a nebula.
2. Planets move around the Sun in ellipses, with the Sun at one focus point.

Earth seasons
1.A season is a division of the year, marked by changes in weather, ecology and hours of daylight. Seasons result from the yearly orbit of the Earth around the Sun and the tilt of the Earth's rotational axis relative to the plane of the orbit.
2. Revolution vs Rotation. The basic difference between the two movements is the nature of the movement. The rotation means to circle around one’s own axis while the revolution means to circle around any other object. The second difference is the velocity of the objects.

The earth moon system
1. The sun, earth, and moon interact in a complex ballet of motions and forces. The moon orbits the earth once per month. And the earth orbits the sun once per year. This happens because all bodies with mass in the universe attract each other. The earth's pull on the moon keeps the moon in orbit, and the sun's pull on the earth keeps the earth in

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