Erin Beckett wasn't scared of most things. She loved roller coasters, and she was the designated bug killer at home—even with three older brothers. When the offense of the other team came speeding ... [+]
Erin Beckett wasn't scared of most things. She loved roller coasters, and she was the designated bug killer at home—even with three older brothers. When the offense of the other team came speeding ... [+]
The last apparition of Halley's Comet was in 1986, approaching Earth as close as 0.4 astronomical units. Halley takes a long journey to visit us. The comet follows an elliptical orbit that reaches ... [+]