Closest Mars-Pleiades conjunction until 2038

This year – on March 3, 2021 – the red planet Mars and the Pleiades star cluster – also known as the Seven Sisters – stage their closest conjunction on the sky’s dome until February 4, 2038. Source: https://earthsky.org/tonight/closest-mars-pleiades-conjunction-until-2038…

Exploring the Open Source That Really Goes Into a RISC-V Chip

“Maker Andreas Spiess talks about the Open Source that really goes into a RISC-V chip and the ESP32-C3,” writes
Slashdot reader nickwinlund77 — sharing a link to this article from Hackaday: It’s an exciting time in the world of microprocessors, as the long-held promise of devices with open-source RISC-V cores is coming to fruition. Finally we might be about to see open-source…

World’s oldest DNA sheds light on mammoth evolution

A mammoth tooth uncovered from the Siberian permafrost yields the oldest DNA yet discovered and provides insight into the evolution of the giant beasts. Source: https://earthsky.org/earth/worlds-oldest-dna-mammoth-evolution-video…

Cosmic ray originated in cataclysmic event

Astronomers found a high energy neutrino – a cosmic ray – that apparently originated during a “tidal disruption event,” that is, when a supermassive black hole shredded a distant star. Source: https://earthsky.org/space/origin-cosmic-ray-when-black-hole-shreds-star…

Lawmaker Proposing ‘Grand Theft Auto’ Ban Says Video Game Contributes To Carjackings

Koreantoast writes: With the number of carjackings more than doubling in the city of Chicago during 2020, one lawmaker knows who to blame: the video game “Grand Theft Auto.” According to Chicago ABC 7, Democratic State Representative Marcus Williams believes the video game is causing the rise in carjackings, stating that “Grand Theft Auto’ and other violent video games are getting…

People sleep less before a full moon

Researchers find that whether you live in a rural or urban environment, your sleep patterns are affected by the full moon. On the nights leading up to full moon, people fall asleep later and sleep less overall. Source: https://earthsky.org/human-world/people-sleep-less-before-full-moon…

Nearby black hole Cyg X-1 more massive than thought

New research suggests that the famous black hole Cygnus X-1 – first black hole ever detected and one of the closest to Earth – is farther away and much more massive than previously believed. Source: https://earthsky.org/space/cygnus-x-1-black-hole-more-massive-farther…

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…

3D map of a million binary stars

A new atlas of nearby binary stars plots more than a million pairs and reveals a profusion of identical twins. Source: https://earthsky.org/space/3d-map-million-binary-stars…

Cool video! Perseverance’s descent and touchdown on Mars

Check out this amazing new video from NASA’s Perseverance rover, showing its own descent and landing on the surface of Mars last week. Truly, it’s like nothing seen before! Source: https://earthsky.org/todays-image/video-perseverance-rover-descent-and-touchdown-on-mars…