Most exoplanets orbiting close to their stars don’t have atmospheres. But Gliese 486b – orbiting a red dwarf star only 24 light-years away – does. It’s close enough to see well. Astronomers will be watching it! Source: https://earthsky.org/space/gliese-486b-hot-super-earth-with-atmosphere…
Tag: artist
Square To Buy Jay-Z’s Music Service Tidal
Square has agreed to buy a majority stake in Tidal, the streaming music service led by rapper Jay-Z, as part of an effort to expand the company’s suite of financial tools to musicians and emerging artists. From a report: Square will pay $297 million in a mix of cash and stock to become Tidal’s “significant majority” owner, though Jay-Z and Tidal’s…
How Worried Should You Be About Those Tom Cruise Deepfakes?
Are the TikTok deepfake videos of Tom Cruise doing magic and playing golf a threat to global democracy? Not exactly. “[T]he reality is that they took a lot of time, technical expertise, and the skilled performance of a real actor,” reports VICE News. “Rather than predicting a dark future of disinformation for the masses, they’re simply another example of what can…
Asteroid dust in Chicxulub crater seals deal on dino extinction
Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids. Source: https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction…
Japan Billionaire Seeks ‘Crew’ For Moon Trip
Japanese billionaire Yusaku Maezawa on Wednesday launched a search for eight people to join him as the first private passenger on a trip around the moon with Elon Musk’s SpaceX. He had originally planned to invite artists for the weeklong voyage slated for 2023. Reuters reports: The rejigged project will “give more people from around the globe the chance to join…
How a 10-Second Video Clip Sold For $6.6 Million
In October 2020, Miami-based art collector Pablo Rodriguez-Fraile spent almost $67,000 on a 10-second video artwork that he could have watched for free online. Last week, he sold it for $6.6 million. Reuters reports: The video by digital artist Beeple, whose real name is Mike Winkelmann, was authenticated by blockchain, which serves as a digital signature to certify who owns it…
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…
What is a quasar?
A quasar is an extremely bright and distant point-like source visible to radio telescopes. The source is a so-called Active Galactic Nucleus, fueled by a supermassive black hole. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-quasar…
Perseverance saw its own descent stage crash
The Mars rover images a plume of debris from the impact of the descent stage that helped the spacecraft land safely on the red planet. Source: https://earthsky.org/todays-image/photo-mars-perseverance-descent-stage-smoke-plume…
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…