astronomy!!!!. astronomical unit 149 597 871 kilometers this is the average distance between the...
DESCRIPTION
Light Year The distance traveled by light in one Earth year This is a unit of lengthTRANSCRIPT
Astronomical Unit
• 149 597 871 kilometers• This is the average distance between the earth
and the sun
Alice and Bob
• https://www.youtube.com/watch?v=iKTv-BDZ8Os
• Why is it dark at night?• https://www.youtube.com/watch?v=F2VOMn
VyY1s• Is that star really there?• Why are we looking through time when we
look at the stars at night?
Stars
• A celestial body that generates light and other radiant energy and consists of a mass of gas held together by its own gravity in which the energy generated by nuclear reactions. Plasma.
• Any of the celestial bodies visible at night from Earth as relatively stationary, usually twinkling points of light.
Documentaries
• https://www.youtube.com/watch?v=qcfN_HN4TVg
• National Geographic Hubble History (2009)• https://www.youtube.com/watch?v=5vOU6-1
yNZs• Distances and Planets like ours• http://www.msn.com/en-ca/news/photos/spe
ctacular-photos-from-space/ss-BBjBTyI?ocid=iehp#image=1
• Spectacular photos from space.
Necessities for Life
• http://www.space.com/25530-earthsize-exoplanet-kepler-186f-habitable-discovery.html
• http://www.nasa.gov/ames/kepler/nasas-kepler-discovers-first-earth-size-planet-in-the-habitable-zone-of-another-star