Brief introduction to the Universe

1. The Universe
Mrs. Burch

2. Look up in the night sky to see the
center of our Milky Way Galaxy.

3. Another view looking towards the
center of the Milky Way.

4. Scientists think our galaxy looks
something like this from space.

5. The Andromeda Galaxy (our closest
neighbor)

6. A spiral galaxy

7. Nebulae – HUGE clouds of gas and
dust

8. The Horsehead Nebula

9. The Horsehead is in the Orion Nebula

10. The Orion Nebula

11. The Crab Nebula

12. The Rosette Nebula

13. The Eagle Nebula

14. The Pillars of Creation are in the Eagle
Nebula

15. Close-up of one of the Pillars of
Creation

16. Another nebula

17. The Lagoon Nebula (located in the
Milky Way)

18. Let’s look at our solar system

19. The Sun

20. Mercury

21. A close-up of Mercury taken by the
Messenger Probe

22. The 2 Voyager probes were launched
in 1977. Today, they are at the edge of
our solar system.

23. Edwin Hubble
was a famous
astronomer.

24. He realized that there are other
galaxies besides our own Milky
Way Galaxy.

25. He also realized
that our universe
is expanding at a
constant rate.

26. NASA named a space telescope after
Hubble.

27. The Space Shuttle carried it into
Earth’s orbit in 1990.

28. This shows Hubble being released
from the Space Shuttle’s cargo bay.

29. NASA named a space probe after
astronomer Galileo Galilei.

30. The Galileo was designed to study
Jupiter.

31. The Galileo Probe was launched in
1989 (shown here with its rocket still
docked in the Space Shuttle).

32. The Galileo Probe travelled through space
for 6 years before reaching Jupiter.

33. Galileo took a picture of this asteroid
on its way to Jupiter.

34. The Galileo reached Jupiter in 1995.
(Artist’s rendering of Galileo orbiting
Jupiter.)