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…
Tag: bow
When will Betelgeuse explode?
The red supergiant star will explode in a supernova, close enough to shine brightly during the day but far enough away that Earth won’t be in danger. Source: https://earthsky.org/brightest-stars/betelgeuse-will-explode-someday…
What’s the birthstone for December?
If you were born December, you’ve got 2 birthstones, turquoise and zircon. Source: https://earthsky.org/human-world/december-birthstone-zircon-turquoise…
Software Engineer Catches Intelligent Bot Posting on Reddit
“The posts were appearing at a rate of about one per minute, and the posts were lengthy, most around six paragraphs long…” writes software engineer Philip Winston. I read through some of the posts. The quality was incredibly good, no machine could have written these even a few years ago. However there were some flaws and tells that suggested they were…
Sagittarius? Here’s your constellation
How to find Sagittarius on August evenings, plus the lore and science of this constellation. Source: https://earthsky.org/astronomy-essentials/sagittarius-heres-your-constellation…
A deep, giant cloud disruption found on Venus
Researchers have discovered a giant atmospheric wave-like phenomenon in Venus’ lower atmosphere, unlike anything else seen in the solar system. Evidence shows it has existed since at least 1983, but went completely undetected until now. Source: https://earthsky.org/space/a-deep-giant-cloud-disruption-found-on-venus…
See it! This weekend’s moon and Mars
Mars is getting exciting – bright now, and very red – and heading toward more brightness and more intense color by October. This past weekend, the moon and Mars were close. Photos here. Source: https://earthsky.org/todays-image/photos-moon-mars-august-2020…
An Amazon Ad Prompted Steve Jobs and Phil Schiller To Block In-App Purchases of Kindle Books On iOS
According to a collection of internal emails recently released by lawmakers, as part of the House Judiciary Committee’s antirust probe into Apple, a series of Amazon advertisements prompted Steve Jobs and Phil Schiller to block in-app purchases of Kindle books on iOS. 9to5Mac reports: As it stands today, the Kindle app for iPhone and iPad does not allow users to purchase…
What is a derecho? An atmospheric scientist explains these rare but dangerous storm systems
The derecho in the U.S. East on June 3, 2020, killed 4 people and left a million without power. A Colorado derecho on June 6 had winds in excess of 100 mph. Europe, Asia and South America also have derechos. Here’s what scientists know about them. Source: https://earthsky.org/earth/what-is-a-derecho-storm-system…
This isn’t a triple rainbow
It’s what’s called a reflection rainbow, which can be caused sunlight beaming upwards after reflecting from wet sand or calm water, in this case the water of Puget Sound. Source: https://earthsky.org/earth/photo-this-isnt-a-triple-rainbow…