1. Earth in the Universe
Unit 1 - Astronomy

2. The (Observed) Universe

4. Galaxies

6. Clusters

7. Nebulae

8. Stars

10. Planets

11. “Well the Sun’s a hot star, And Mercury’s hot too
“Well the Sun’s a hot star, And Mercury’s hot too! Venus is the brightest planet, And Earth’s home to me and you! Mars is the red one, And Jupiter’s most wide
Saturn’s got those icy rings And Uranus spins on its side! Neptune’s really windy, And Pluto’s really small Well we wanted to name the planets, and now we’ve named them all!

12. Kepler 186f Similar size to earth Star is smaller, dimmer
Has potential for liquid water (needed for life)

13. Largest planet of a circumbinary system (2 stars)

14. Moons

15. Whole universe was in a hot, dense state
Almost 14 billion years ago
Expansion started, continuing