Related topics: nasa · night sky

The "magic hour" for Geminid meteors

As arctic air and record cold sweeps across the USA, amateur astronomers are looking at their calendars with a degree of trepidation. A date is circled: Dec. 14th. And below it says: "Wake up at 4 AM for the Geminid meteor ...

Heliophysics nugget: Mapping tons of meteoric dust in the sky

(Phys.org) —Heliophysics nuggets are a collection of early science results, new research techniques, and instrument updates that further our attempt to understand the sun and the dynamic space weather system that surrounds ...

Noctilucent clouds get an early start

Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically against the ...

Bright explosion on the Moon

For the past 8 years, NASA astronomers have been monitoring the Moon for signs of explosions caused by meteoroids hitting the lunar surface. "Lunar meteor showers" have turned out to be more common than anyone expected, with ...

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