How Jupiter’s moon Io gets its hellish atmosphere

Hot, active volcanoes produce almost half of Jupiter’s moon Io’s sulfur atmosphere, according to new observations using the ALMA telescope. The rest comes from cold sulfur deposits that freeze on the surface, then sublimate in sunlight. Source: https://earthsky.org/space/io-sulfur-volcanoes-hot-so2-cold-so2…

What’s a Blue Moon, and when is the next one?

We have a Blue Moon coming up on October 31, 2020. It’ll be called a Blue Moon because it’ll be the 2nd of 2 full moons in a single calendar month. And it’ll be near a bright red object in the sky, Mars! Source: https://earthsky.org/astronomy-essentials/when-is-the-next-blue-moon…

‘How 30 Lines of Code Blew Up a 27-Ton Generator’

After the U.S. unveiled charges against six members of the Sandworm unit in Russia’s military intelligence agency, Wired re-visited “a secret experiment in 2007 proved that hackers could devastate power grid equipment beyond repair — with a file no bigger than a gif.” It’s an excerpt from the new book SANDWORM: A New Era of Cyberwar and the Hunt for the…

Is QAnon an 8Chan Game Gone Wrong?

This week London’s prestigious Financial Times published a 15-minute video investigating the question: “Is QAnon a game gone wrong?” In 2017, the Q team, whoever they may be, made use of the modern equivalent of the Playboy’s letters page. It’s a message board called 4Chan… A YouTuber called defango has since claimed the work was his. He says he created Q…

Autumn’s false dawn, the zodiacal light

The coming weeks are great for catching the zodiacal light or false dawn from northerly latitudes? Southern Hemisphere? Look for the false dusk. Source: https://earthsky.org/tonight/zodiacal-light-false-dawn-of-autmn…

Photos of the beautiful Venus-Regulus conjunction

The brightest planet Venus has been blazing in the east before sunrise for some months. In late September and early October, the bright star Regulus – Heart of the Lion in Leo – swept past it. Source: https://earthsky.org/todays-image/photos-venus-regulus-conjunction-october-2020…

Climate Disruption Is Now Locked In. The Next Moves Will Be Crucial.

America is now under siege by climate change in ways that scientists have warned about for years. But there is a second part to their admonition: Decades of growing crisis are already locked into the global ecosystem and cannot be reversed. From a report: This means the kinds of cascading disasters occurring today — drought in the West fueling historic wildfires…

Climate fires and hurricanes collide in this shocking NASA satellite image

An epic series of satellite images shows smokes from the California wildfires clashing with hurricanes in the Eastern United States and Gulf Coast. Source: https://www.livescience.com/smoke-meets-hurricanes-nasa-image.html

Northern Hemisphere just had its hottest summer on record

Not only was August 2020 the 2nd-warmest August on record, but the Northern Hemisphere had its warmest summer on record, and the globe as a whole had its 3rd-hottest 3-month season. Source: https://earthsky.org/earth/northern-hemisphere-2020-hottest-summer-on-record…

What’s in wildfire smoke and why it’s so bad for your lungs

The health impact of wildfire exposure depends in part on the fire itself and how much smoke a person breathes in, how often and for how long. Source: https://earthsky.org/human-world/what-is-in-wildfire-smoke…