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…

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…

How to see Sirius B

Sirius is a binary star, with a small white dwarf called the Pup orbiting the large primary star. It’s not easy to observe, but it is possible. Here’s how. Source: https://earthsky.org/brightest-stars/how-to-observe-sirius-b…

Astronomers see multiple eclipses in unique 6-star system

An international team of astronomers has discovered a unique 6-star system where eclipses of all 6 stars can be seen from Earth. Source: https://earthsky.org/space/tyc-7037-89-1-sextuplet-system-6-stars-that-eclipse…

New and rare direct image of a brown dwarf

Astronomers have obtained one of the best images yet of a brown dwarf, an object in a mass range midway between stars and planets. This brown dwarf – called HD 33632 Ab – lies 86 light-years from our sun. Source: https://earthsky.org/space/new-brown-dwarf-direct-image-hd-33632-ab…

New Era for UK as It Completes Separation From European Union

A new era has begun for the United Kingdom after it completed its formal separation from the European Union. From a report: The UK stopped following EU rules at 23:00 GMT, as replacement arrangements for travel, trade, immigration and security co-operation came into force.
Boris Johnson said the UK had “freedom in our hands” and the ability to do things “differently and…

Third Monolith Reappears, Fourth and Fifth Monoliths Discovered

“People taking a stroll on Sunday morning stumbled upon another mysterious monolith,” reports Insider.com. “This one was found in a northern province of the Netherlands.”
The monolith was covered in ice and surrounded by a small pool of water, according to local reports. The hikers told the Dutch paper Algemeen Dagblad that they’re not sure how the monolith got there. They said…

Bellatrix is Orion’s 3rd-brightest star

The bluish-white shoulder star, Bellatrix, aka Gamma Orionis, has a name that means “female warrior.” Bellatrix is one of the hottest stars you can see without optical aid. Source: https://earthsky.org/brightest-stars/bellatrix-3rd-brightest-star-in-orion…

What is the moon’s terminator line?

The moon’s terminator is the dividing line between day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Earth and other worlds in our solar system have terminator lines, too. Source: https://earthsky.org/astronomy-essentials/definition-moon-planet-terminator-line-twilight-zone…

Google’s SoundFilter AI Separates Any Sound or Voice From Mixed-Audio Recordings

Researchers at Google claim to have developed a machine learning model that can separate a sound source from noisy, single-channel audio based on only a short sample of the target source. In a paper [PDF], they say their SoundFilter system can be tuned to filter arbitrary sound sources, even those it hasn’t seen during training. From a report: The researchers believe…