ScientistPankaj: 'Balding' black holes prove Einstein right again on general relativity

Wednesday, November 3, 2021

'Balding' black holes prove Einstein right again on general relativity

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November 2, 2021

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The Launchpad

China's fresh moon rocks are younger than the Apollo samples and no one knows why

Visitors look and take pictures of a case holding lunar rock and debris recently collected from the Moon by China's space program that is part of a display at the National Museum of China on March 2, 2021 in Beijing, China. (Kevin Frayer/Getty Images)

A new study of moon rocks returned to Earth on China's Chang'e 5 mission confirm that volcanism occurred later than previously known, but also deepen lunar mysteries.

Full Story: Space (11/1)

'Balding' black holes prove Einstein right again on general relativity

(A. Bransgrove et al./Physical Review Letters 2021)

This new physics breakthrough shows how Einstein's theory of general relativity continues to hold up, even for "balding" black holes.

Full Story: Space (11/2)

You can help NASA train Mars rovers for the Red Planet

(NASA/JPL-Caltech)

You're looking at Perseverance's photos already anyway, so why not help classify some Mars terrain?

Full Story: Space (11/1)

Spaceflight

Europe announces new satellite constellation to track human-made greenhouse gas emissions

(NPL)

The new space mission will track human-made emissions of greenhouse gases from space to help keep the world on track to meet climate change mitigation targets, experts say.

Full Story: Space (11/2)

Blue Origin's 'Mannequin Skywalker' goes on display at Space Camp

(U.S. Space & Rocket Center)

The first passenger to fly with Blue Origin on not just one, but multiple flights into space has now retired to the home of U.S. Space Camp.

Full Story: Space (11/2)

Long space missions could cause brain damage similar to concussions, study finds

(NASA)

Staying in space for a long time can cause brain damage, according to a new study. But the study, which was detailed Oct.11 in JAMA Neurology, was small, and the effects on the cosmonauts' brains did not seem to be major.

Full Story: Space (11/2)

Science & Astronomy

This mysterious comet's super-bright outbursts has astronomers puzzled

(Faulkes Telescope Project/ Las Cumbres Observatory)

One of the strangest comets in the solar system has been erupting with unpredictable bright outbursts since late September and nobody knows why. Meet Comet 29P.

Full Story: Space (11/2)

Hubble telescope searches for aftermath of rare double star explosion (photo)

(ESA/Hubble & NASA, D. Milisavljevic)

Stellar explosions are messy affairs, so two consecutive supernovas in the same galaxy are bound to leave a mark. That's the story behind a dramatic new Hubble Space Telescope image of a galaxy called NGC 6984.

Full Story: Space (11/2)

What would happen if the speed of light was much lower?

(Apple)

In a vacuum, the speed of light is about 186,000 miles per second (300,000 kilometers per second). If it were orders of magnitude slower, humans would immediately take notice.

Full Story: Space (11/1)

SpaceX

This astronaut is spending his SpaceX launch delay cleaning up a Florida beach

(Matthias Maurer/ESA/Twitter)

Matthias Maurer, who is waiting with the rest of Crew-3 team for a delayed ride to the International Space Station, has spent part of his quarantine picking up trash on the Florida beach, within range of his SpaceX launch site.

Full Story: Space (11/1)