Volcanic rock samples collected during NASA’s Apollo missions bear the isotopic signature of key events in the early evolution of the Moon, a new analysis found. Those events include the formation of the Moon’s iron core, as well as the crystallization of the lunar magma ocean—the sea of molten rock thought to have covered the Moon for around 100 million years…
Tag: Bear
A record deadly week for US avalanches in early February
2021 has brought a deadly avalanche season. “We’re only halfway through the season and we’re 3/4 of the way to the number of fatalities we’d see in a typical year. The dangerous, record-breaking year keeps avalanche forecasters up at night,” one expert said. Source: https://earthsky.org/human-world/avalanches-2021-united-states-how-to-survive…
Grizzlies Are Coming Back. But Can We Make Room For Them?
As grizzly bears expand their range in Montana, Idaho, and Wyoming into places where they haven’t been seen in a century or more, they’re increasingly encountering humans. From a report: Things intensified last summer as trails and campgrounds across the region flooded with inexperienced tourists seeking refuge in the outdoors during the coronavirus pandemic. Grizzly attacks spiked. Bear managers were inundated…
JADES will go deeper than the Hubble Deep Fields
Astronomers announced this month that a new deep-field survey called JADES will be carried out with the James Webb Space Telescope, Hubble’s much-anticipated successor. The Webb is due to launch later this year. Source: https://earthsky.org/space/jades-deep-field-surveys-epoch-of-1st-galaxies…
Amazon Can Make Just About Anything — Except a Good Video Game
An anonymous reader quotes a report from Bloomberg, which is “based on interviews with more than 30 current and former Amazon employees, most of whom spoke under the condition of anonymity citing fears of litigation or career repercussions.” From the report: Mike Frazzini had never made a video game when he helped start Amazon Game Studios. Eight years later, he has…
Full Wolf Moon falls in late January 2021
Enjoy the full-looking moon in late January 2021, as this nocturnal sun brings some good cheer to the Northern Hemisphere’s long winter night. Source: https://earthsky.org/tonight/full-wolf-moon-in-late-january-2021…
‘We Messed Up’. Microsoft Rescinds Xbox Live Gold Price Hike
“We messed up today,” the Xbox Live Gold team wrote late Friday night, “and you were right to let us know.” Their blog post’s new title? “No Changes to Xbox Live Gold Pricing, Free-to-Play Games to be Unlocked.” Forbes reports: It has been a very strange few days for Microsoft and Xbox fans. On Friday, Microsoft announced that for effectively no…
What do redshifts tell astronomers?
A redshift reveals how an object is moving in space and enables astronomers to discover otherwise-invisible planets and the movements of galaxies, and to uncover the beginnings of our universe. Source: https://earthsky.org/astronomy-essentials/what-is-a-redshift…
Look for Cassiopeia and the Big Dipper
Watch the celestial clock and its 2 great big hour hands – Cassiopeia and the Big Dipper – as they swing around the North Star every night! Source: https://earthsky.org/tonight/cassiopeia-and-big-dipper…
Newly found Comet Leonard might become 2021’s brightest
The first comet to be found in 2021 – labeled C/2021 A1 (Leonard) – might become the brightest comet of this year! Charts and more info here. Source: https://earthsky.org/astronomy-essentials/bright-comet-c-2021-a1-leonard-2021-2022…