1. Fireballs! Peekskill fireball

2. Rocks From Space

3. How Big Are They? “Shooting Stars” (meteors) are caused by sand-sized particles

4. How Big Are They? Bright fireballs are caused by meteoroids a few inches to a few feet across

5. How Big Are They? Fireballs 100 feet across or more make craters like this

6. How Big Are They? Fireballs that cause mass extinctions can be miles across

7. Fireball Entry into Atmosphere Enters substantial atmosphere 50 miles (appx.) above ground Map of Colorado Explodes 20 miles (appx.) above ground, breaking into pieces Potential search areas for meteorites

8. Fireball Misconceptions They don’t burn from friction, but by compressing the air in front of them Meteorites land cool, and don’t start fires There are as many fireballs and meteors in the day as at night