Open clusters are young, loosely bound gatherings of stars that may still be surrounded by the nebula – or space cloud – in which they were born. The Pleiades, Hyades, and Beehive are well-known examples of open star clusters. Source: https://earthsky.org/astronomy-essentials/definition-examples-what-are-open-star-clusters…
Tag: Sides
TikTok Misses US Deadline For Sale Without Punishment
“After months of wrangling, proposals, court rulings and a few extensions, a deadline set by the Trump Administration’s Treasury Department mandated a sale for TikTok by December 4th,” remembers Engadget. But that’s not what happened. “Instead, Bloomberg and Reuters report, based on anonymous sources, that the Chinese company and the US government will continue negotiations.” Bloomberg reports: While the deadline has…
Full moon, faint eclipse, November 29-30
Full moon falls on the night of May 29-30 for North America, at 3:43 a.m. CST on November 30. That means that – for North America – we have the chance to witness a faint penumbral eclipse of the moon. Source: https://earthsky.org/tonight/full-moon-faint-eclipse-november-29-30…
How Powerful Forces Collaborated to Peddle Misinformation about the Origins of the Coronavirus
There’s “an overwhelming body of evidence” for scientists’ belief that the coronavirus originated in an animal before making the leap to humans, reports the New York Times. (Alternate URL here.) They add that U.S. intelligence agencies also “have not found any proof” for a fringe theory it somehow leaked from a lab. Yet as recently as September, a Hong Kong researcher…
YouTube Launches Audio Ads and Ad-Targetable Music Lineups, Taking Aim at Spotify
YouTube claims to be the world’s biggest jukebox — and now it wants to wring more ad dollars from the platform’s music fans. From a report: The video giant is launching 15-second audio ads, the first format designed to reach YouTube users who listen to music or podcasts ambiently (i.e., in the background). YouTube also is introducing the ability for advertisers…
Why not an eclipse at every full and new moon?
In 2020, there are 12 new moons and 13 full moons, but only 6 eclipses – 2 solar and 4 lunar. Source: https://earthsky.org/astronomy-essentials/why-isnt-there-an-eclipse-every-full-moon…
Scientists discover ancient lake bed deep beneath Greenland ice
The ancient lake bed, sealed more than a mile under Greenland ice, may be hundreds of thousands or millions of years old, and contain unique fossil and chemical traces of past climates and life. Source: https://earthsky.org/earth/ancient-lake-bed-deep-beneath-greenland-ice…
Bridenstine to step down as NASA administrator
Jim Bridenstine is leaving the post of NASA chief administrator. Source: https://earthsky.org/space/bridenstine-to-step-down-as-nasa-administrator…
Meet the hell planet with a magma ocean and rocky rain
Exoplanet K2-141b is fiery hot world that circles so close to its star that 1 side of the planet features a deep ocean of molten lava. Meanwhile, the other side is freezing cold. Source: https://earthsky.org/space/k2-141b-lava-planet-with-magma-ocean-rocky-rain-supersonic-winds-super-earth…
Hubble telescope reveals asteroid Psyche’s rusty surface
Scientists already had Psyche classified as a metallic asteroid, but new observations with the Hubble telescope reveal its rusty surface and provide scientists with a unique view into what Earth-like planets are like during their formation. Source: https://earthsky.org/space/hubble-asteroid-psyche-iron-nickel-rust-protoplanet…