Giuseppe Piazzi discovered the asteroid Ceres – now considered a dwarf planet – on January 1, 1801. Source: https://earthsky.org/space/jan-1-1801-discovery-of-ceres…
Tag: dawn
What causes sun pillars or light pillars?
Sun pillars, or light pillars, are shafts of light extending from the sun or other bright light sources under the right atmospheric conditions. They’re caused by ice crystals drifting in Earth’s air. Source: https://earthsky.org/earth/what-is-a-sun-pillar…
Last full moon of the decade, again
The last full moon of 2020 – and the last full moon of the 202nd decade – happens on December 29 or 30, 2020, depending on your time zone. Source: https://earthsky.org/tonight/last-full-moon-of-the-decade-on-december-29-30…
Moon passes in front of Taurus the Bull
These next three nights – December 26, 27 and 28, 2020 – the bright waxing gibbous moon shines in front of the constellation Taurus the Bull. Source: https://earthsky.org/tonight/moon-passes-in-front-of-taurus-the-bull…
Physicists Made an Insanely Precise Clock That Keeps Time Using Entanglement
fahrbot-bot quotes an article from Science Alert: Nothing keeps time like the beating heart of an atom. But even the crisp tick-tock of a vibrating nucleus is limited by uncertainties imposed by the laws of quantum mechanics. Several years ago, researchers from MIT and the University of Belgrade in Serbia proposed that quantum entanglement could push clocks beyond this blurry boundary….
Intel Report Shows Tech Companies Still Struggle With Diversity
Intel became the latest tech company to report diversity statistics Tuesday, sharing a mixed bag of annual numbers that included small gains in some areas, relatively flat numbers of Black employees and a decline in female representation in the U.S. Axios reports: Women made up a bit more than a quarter of Intel’s employee headcount, seeing a tiny drop in the…
Find the Geminids’ radiant point
Why is the Geminid meteor shower best around 2 a.m.? It’s because that’s when the shower’s radiant point – near the bright star Castor in the constellation Gemini – is highest in the sky. Source: https://earthsky.org/astronomy-essentials/radiant-point-for-geminid-meteor-shower…
10 tips for watching the Geminids
We anticipate 2020 will be a great year for watching the Geminid meteor shower! Here are 10 tips. Source: https://earthsky.org/astronomy-essentials/10-tips-for-watching-the-geminids…
Spectacular! Moon and Venus before sunrise
Over these next few days – December 11, 12 and 13, 2090 – watch for the waning crescent moon to pass by the dazzling planet Venus. Source: https://earthsky.org/tonight/spectacular-moon-and-venus-before-sunrise…
Moon passes Spica on December 10, as Venus blazes below
The waning moon passes bright Spica – Virgo’s sole 1st-magnitude star – before sunup on December 10, 2020. As viewed from across Earth that morning, the illuminated side of the moon points in the direction of brilliant Venus. Source: https://earthsky.org/tonight/see-moon-spica-venus-before-dawn…