What are coronal mass ejections?

Coronal mass ejections – CMEs for short – are powerful eruptions near the surface of the sun that can ripple through our solar system and can interrupt satellites and power grids on Earth. Source: https://earthsky.org/space/what-are-coronal-mass-ejections…

Does a halo of mysterious dark matter swirl around every galaxy?

Many galaxies seem to have bubbles of dark matter enveloping them, but finding out if every galaxy is like this is an ongoing area of research, writes Chanda Prescod-Weinstein Source: https://www.newscientist.com/article/mg24833110-200-does-a-halo-of-mysterious-dark-matter-swirl-around-every-galaxy/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

A cosmic amethyst in a dying star

On Earth, amethysts can form when gas bubbles in lava cool under the right conditions. In space, a dying star with a mass similar to the Sun is capable of producing a structure on par with the appeal of these beautiful gems. Source: https://phys.org/news/2020-11-cosmic-amethyst-dying-star.html…

Here are 3 amazing feats of spiders

Halloween time is spider time. Three amazing spider skills you might not have known about. Source: https://earthsky.org/earth/three-amazing-feats-of-spiders…

‘Sleeping Giant’ Arctic Methane Deposits Starting To Release, Scientists Find

An anonymous reader quotes a report from The Guardian: Scientists have found evidence that frozen methane deposits in the Arctic Ocean — known as the “sleeping giants of the carbon cycle” — have started to be released over a large area of the continental slope off the East Siberian coast, the Guardian can reveal. High levels of the potent greenhouse gas…

What’s the birthstone for October?

If you were born in October, your birth month has 2 birthstones: opal and tourmaline. Source: https://earthsky.org/human-world/october-birthstone-opal-tourmaline…

Tesla’s Elon Musk Promises Full Self-Driving Autopilot Beta In ‘A Month Or So’

“I think we’ll hopefully release a private beta of Autopilot — the full self-driving version of autopilot — in, I think a month or so?” CEO Elon Musk said this week at Tesla’s annual shareholder meeting/Battery Day event. “And then people will really understand the magnitude of the change,” said Musk adding, “It’s profound. You’ll see what it’s like, it’s amazing.”…

Dark matter hunter who accidentally found ‘Fermi bubbles’ wins $50,000 physics prize

Tracy Slatyer, known for hunting dark matter in our galaxy and discovering evidence of an ancient Milky Way explosion, has won a $50,000 prize funded by tech billionaires. Source: https://www.livescience.com/tracy-slatyer-wins-new-horizons-breakthrough-prize-dark-matter.html

Rock From Mars Heads Home After 600,000 Year Odyssey Across Space

A tiny piece of Martian basalt the size of a 10p coin will be launched on board a U.S. robot probe on Thursday and propelled towards the red planet on a seven-month journey to its home world. The Guardian reports: This extraordinary odyssey, the interplanetary equivalent of sending coals to Newcastle, will form a key part of Nasa’s forthcoming Mars 2020…