Solar storm and aurora starting October 30

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Solar storm and aurora starting October 30

A solar storm after an eruption on the sun is carrying plasma toward Earth, which should produce northern and southern lights this weekend.

C. Alex Young

October 30, 2021

Moon and Mercury November 1, 2 and 3 before sunup

The moon and Mercury will appear near one another on the mornings of November 1, 2 and 3, 2021. Look in the sunrise direction, as dawn is breaking.

John Jardine Goss

Deborah Byrd

October 30, 2021

100-million-year-old crab preserved in amber

A 100-million-year-old crab is the first crab ever found in amber from the dinosaur era. The fossil bridges a gap between marine and nonmarine crabs.

Kelly Kizer Whitt

October 29, 2021

X-flare yesterday, aurora alert this weekend

The biggest solar flares are known as X-flares. Check out this image of an X-flare on the sun on October 28, 2021. It prompted an aurora alert.

Deborah Byrd

October 29, 2021

Another Astra launch attempt is imminent

A test payload for the U.S. Space Force to launch from the Astra spaceport in Alaska in early November 2021 will be Astra's 4th attempt at reaching orbit.

Lia De La Cruz

October 28, 2021

A new field guide for hot Jupiters

A new field guide for hot Jupiters combines Hubble Space Telescope observations with theoretical models. It should inform ideas about planet formation.

Paul Scott Anderson

Deborah Byrd

October 28, 2021

The 1st extragalactic planet?

Scientists believe they might have detected the 1st extragalactic planet by examining x-rays from M51, the famous Whirlpool Galaxy.

Kelly Kizer Whitt

October 27, 2021

Asteroid Bennu’s boulder mystery solved

Asteroid Bennu's boulder mystery has now been solved, scientists say. Highly porous rocks explain the abundant large rocks but lack of fine sand-like regolith.

Paul Scott Anderson

October 27, 2021