welcome to class list 2 facts about climate change
TRANSCRIPT
But wait, there's more! At this scale, our sun is just 1 pixel and "giant" Jupiter is invisible. Antares is the 15th brightest star in our sky. It is more than 1000 light years away! Feeling pretty small and insignificant yet?
Space
• Astronomy – study of universe
• Solar System – sun and all planets and other bodies that revolve around it– Planets– Minor Bodies
Organization
SOLAR SYSTEM GALAXYGALAXY CLUSTER
•We live in the Milky Way Galaxy
•Hundreds of Billions of galaxies
•Possibly 500 Billion
LIGHT YEARS
• Astronomical Unit (AU) – distance between Earth and Sun– 150 million km
• Light travels 300,000 m/s
• Light travels 9.4607 x 1012 km in 1 year– Called a light year
Facts about space exploration
• April 12th, 1961First man in space
• May 5th, 1961 First American in space– Alan Shepard
• July 20th, 1969 – Landed on the moon– Neil Armstrong and Buzz
Aldrin