Astronomy

Astronomy

Earth
1. 24 hours
2. Tilted at 23.5 degrees
3. Orbits the sun
  1. elliptical Orbit
4. Rotates on it's axis
5. moon
  1. Natural satellite
  2. 29.5 days to orbit the Earth
  3. Phases
    1. New
    2. Waxing Crescent
    3. Half Moon
    4. Waxing Gibbous
    5. Full Moon
    6. Waning Gibbous
    7. Last Half Moon
    8. Waning Crescent
Satellites
1. Natural
  1. These satellites include moons and orbit planets
2. Artificial
  1. These satellites are man-made and take pictures
    1. Geostationary
      1. Orbits above the equator and takes 24 hours to orbit
    2. Polar
      1. Orbits above North and South pole
Planets
1. The large bodies in space that orbit a star
2. Our solar System has 8 actual planets. Others, such as Pluto are dwarf planets
3. Some planets have their own moons just like the earth
Stars
1. Stellar Nebula
  1. Average Star
    1. Red Giant
      1. Planetary Nebula
        White Dwarf
  2. Massive Star
    1. red Supergiant
      1. Supernova
        Neutron Star
        Black Hole
Orbit
1. Orbits are elliptical
  1. Gravity holds things in orbit
Universe
1. The Universe is made up of a huge collection of stars and galaxies
V=2(pi)r/Time Period

Resource summary

	Created by Rahul Panikker almost 11 years ago