1. Meteorites: Visitors from Space The Open University

2. What is a Meteorite? A meteorite is a natural object that survives its fall to Earth from Space

3. Hoba Meteorite, Namiba Largest Known Meteorite 60 tons, fell ~80,000 years ago

4. Chelyabinsk, Russia 15 th February 2013 Size of a big house! Speed: 40,000 mph London to Edinburgh in 36 seconds! Blast altitude: 15 to 20 km 1,500 people injured, 4000 buildings damaged Power of blast = about 20 small nuclear bombs

5. Chelyabinsk Meteorite

6. Chicxulub Impact 66 Million years ago 10-15 km asteroid

7. The only recorded casualties! Nakhla – Egypt 1911 Valeria – Venezuela 1972

8. So are meteorites dangerous? No But they are fun!

9. Where are meteorites collected ?

10. We have about 50,000 Meteorites 34,000 from Antarctica 16,000 from the rest of the World

11. About 10,000 from North Africa

12. What do they look like and how can I spot one?

13. Meteorite Types 1. Stones –Chondriteshondrites 2. Stony Irons –Mesosiderites 3. Irons

14. Meteorite Types 1. Stones 2. Stony Irons –Pallasit 3. Irons

15. Meteorite Types 2. Stony Irons 3. Irons

16. Meteorite Types 3. Irons

17. Where do meteorites come from

18. The Moon Mars The Asteroid Belt

19. Apollo Missions 382 kg Moon Rocks

20. How to Plan a Space Mission

21. Stage 1. Where are you going?

22. Stage 2. You need a team

23. Stage 3. You need a name

24. Stage 4. You need a map

25. Stage 5. How long is it going to take?

26. Stage 6. Do you hire some astronauts?

27. Stage 7. What sort of spacecraft do you want?

28. Stage 8. Now you can design your spacecraft.

29. Stage 9. Choose your instruments.

30. Stage 10. What do you hope to learn about your destination?