Mercury’s greatest elongation Mar 6, 2021

Mercury, the innermost planet, has a close conjunction with the king planet Jupiter on March 5, and then reaches its greatest elongation from the sun on March 6. Source: https://earthsky.org/tonight/mercurys-greatest-elongation-march-6-2021…

What’s the coldest Earth has ever been?

Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…

Toshiba Unveils World’s First FC-MAMR HDD: 18 TB, Helium Filled

Toshiba this week announced the industry’s first hard drive featuring flux-control microwave-assisted magnetic recording (FC-MAMR) technology. The new MG09-series HDDs are designed primarily for nearline and enterprise applications, they offer an 18 TB capacity along with an ultra-low idle power consumption. From a report: The Toshiba MG09-series 3.5-inch 18 TB HDD are based on the company’s 3rd generation nine-platter helium sealed…

Astrophysicists design ‘radically different’ world map

You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round. Source: https://earthsky.org/earth/astrophysicists-new-design-world-map…

Best observing targets for binoculars

What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find. Source: https://earthsky.org/astronomy-essentials/best-targets-for-binoculars-moon-planets-nebula-clusters…

Who’s Actually To Blame For the Texas Power Disaster?

With millions of Texans still without power in the wake of a winter storm and frigid temperatures, everyone is looking for someone to blame. From a report, shared by a reader: Many Democrats are blaming Gov. Greg Abbott (R) for failing to adequately prepare for the storm. Many conservatives are blaming the environmental movement — insisting that frozen wind turbines show…

What is the Milky Way?

When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…

How the Ozone Layer Was ‘Rescued’ From a Spike in CFC

Thelasko shared this report from the BBC: A steady decline in the levels of ozone-harming CFC chemicals in the atmosphere has resumed, scientists say. This follows a recent, dangerous pause in that downward trajectory, which could have slowed the healing of Earth’s protective ozone layer. Atmospheric measurements published in 2018 pointed to illegal CFC production that was occurring in Eastern China….

See the young moon on February 12, 13 and 14

Beginning on February 12, look west after sunset for the young moon – a thin lunar crescent – in the west shortly after sunset. Source: https://earthsky.org/tonight/young-moon-feb-12-13-14-2021…

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…