Uncategorized
-
Letters
A little gravity “Britain’s biggest meteorite strike” (SN: 4/12/08, p. 238) states that “gravitational anomalies” make an offshore area a prime candidate as the possible impact site of a meteorite. Wouldn’t that be magnetic anomalies instead? If it is a gravitational anomaly, I would sure like an article on that alone! Thanks for the great […]
- Physics
Tight deadline
Light behaves like waves or particles, but it doesn’t know what it will do in advance.
- Space
Many stars, many planets
A new study reveals that as many as 30 percent of sunlike stars have close-in, relatively small planets — only 4 to 30 times as heavy as Earth.
