2. • Mass of rock and iron
•It falls on the earth

3. 15th February 2013;
A meteorite fell near Čeljabinsk;
It was an historic event;
Many could see the fall.

4. • 11,000 tonnes of rock
• It enters the Earth’s atmosphere
• Speed: 18 km/s (5000 Km/h)

5. • At 80 km began to burn

6. • Left behind a vapor trail

7. • At 15 Km exploded in fragments

8. • Energy like 30 atomic bombs
• Fell near Celiabinsk
• Produced a huge shock wave
• Broke windows
• 1500 people were injured

9. See you next
time!!
Fabio Mangiarano
Classe VA Liceo Scientifico
IISS «Galileo Galilei» Monopoli
a.s. 2012/13