Science

• Astronomy


  -oldest science due to observation of the heavens by our ancestors

  -naming of stars to arranging stars and planets
• Astrology


  -regarded as pseudo-science

  -original motivation for mapping of stars and assignment of constellations
• Hubble Space Telescope


  -launched in 1990

  -observes visible light and UV lights

  -objective: to understand the Universe

  -orbits around the earth
• James Webb Space Telescope


  -replaced hubble space telescope

  -launched in 2021

  -cannot be controlled in earth

  -observes inferred rays

  -has sunshield

  -orbits around the sun
• Stellar Corpse


  -remains of a star that exploded in 1054

  -Today the remnant is called the Crab Nebula
• Sun


  -has hair-like strands of fiery plasma flowing into corona from a honeycomb pattern.
• Comets


  -ice, dust, rocks

  -gas and dust tail
• Asteriods


  rocks and metals
• Milkyway we can see its disk cross-section flung across the sky like a great milky white avenue of stars w/ dark "rifts" dust
• Andromeda galaxy


  -M31

  -Closest sprial galaxy

  -sprial-shaped collection of stars similar to our own Milky Way.
• Fornax Cluster Galaxy


  -located 60 million lya in the constellation of Fornax