What was that light in the sky over the Front Range?
9NEWS.com
From several cameras, he captured a meteor passing over the Grand Junction-Delta area around 8:45 pm Wednesday. The meteor came relatively close to Earth, about 30 miles above the ground. Peterson says it only lit up the sky for a few seconds, ...
Measuring the Cosmic Dust Swept Up by Earth
Science Daily (press release)
But most of the mass of dust particles entering the atmosphere are much smaller than this, so can be detected only using specialised meteor radars. "We have a conundrum -- estimates of how much dust comes in vary by a factor of a hundred," said Plane.
