November 9, 2022
Only 1600 light years away!
And it’s a binary system. Very odd.
It’s also “dormant.” Even stranger.
Ten times the size of our Sun, as far away from its companion star as the Earth is from the Sun.
Announced just in time for Halloween…
https://www.nytimes.com/2022/11/05/science/astronomy-black-hole.html
May 15, 2022
…if you are lucky enough to live Western Europe, parts of northwestern Africa, and some of the Americans…
As for why the Moon appears red…
“You’ll actually be seeing every sunrise and every sunset occurring around the Earth at once. All of that light will be projected on to the Moon.” (Dr Gregory Brown, Royal Observatory
https://www.bbc.com/news/science-environment-61423765
And if you happened to be standing on the Moon at the time, you’d see a blood ring encircling the Earth in front of you (ah, assuming you were not on the other side of the Moon).
Come on. Somebody has got to figure out how to get a picture of that.
April 18, 2022
“Its size, which NASA noted is larger than the state of Rhode Island, is an estimation because the comet is still too far away for Hubble to tell for certain.”
https://www.businessinsider.com/largest-comet-ever-seen-barreling-toward-inner-solar-system-nasa-2022-4
Note that the original title was “…toward the Inner Solar System”…and yet the article goes on to explain that it won’t come any closer than a billion miles from the Sun, “‘slightly farther than the distance of the planet Saturn,’ NASA said in a statement.“
Uh. The inner solar system is *no where near* Saturn. Try again, fear-mongers.
Sigh.
Anyway, it really is the proverbial “tip of the iceberg,” since this was seen with Hubble, and we have yet to see just what the new James Webb telescope can do. The Oort Cloud is a big place. There must be millions upon millions comets just waiting to be discovered.
February 24, 2022
“We give off waste heat (from industry and homes and so on) and artificial light at night, but perhaps most significantly, we produce chemicals that fill our atmosphere with compounds that wouldn’t otherwise be present. These artificial atmospheric constituents just might be the thing that gives us away to a distant alien species scanning the galaxy with their own powerful telescope.”
https://phys.org/news/2022-02-webb-telescope-civilizations-air-pollution.html
Or, as Futurism puts it: “SCIENTISTS ALREADY PLOTTING HOW James Webb COULD DETECT ALIEN CIVILIZATIONS WHOA.”
Just. Settle down, wouldja. Sheesh.
Scientists have proposed aiming the James Webb space telescope the Trappist system, specifically Trappist-1e.
Really hope this isn’t what they find…
January 3, 2022
…a study announced in December from a team of researchers in the journal Icarus now claims the IAU’s definition was based on astrology — a type of folklore, not science — and that it’s harming both scientific research and the popular understanding of the solar system.
I’m not sure I agree that moons of Jupiter and Saturn should be classified as “planets,” but frankly I see little difference between “dwarf planets” and “planets.”
Plus it wrecks the song I learned to remember the order…
https://www.nbcnews.com/science/space/pluto-planet-debate-rages-rcna8848
December 26, 2021
The James Webb Space Telescope – Hubble’s successor – has successfully lifted off.
Now starts the “two weeks of terror” as it gets into position and unfolds. Fingers crossed! 🤞
November 14, 2021
Kamo’oalewa is one such piece of lunar rubble that spiraled away from the moon. But rather than landing on Earth or simply tumbling off into the void, it found itself a quasi-satellite in its own right.
https://time.com/6116644/earth-second-moon/
Dunno what’s cooler: the name of the Moon fragment or the fact that the grad student at Lunar and Planetary Laboratory at the University of Arizona that discovered the ”moon” is named ”Sharkey.”
Also, the complete and utter lack of visuals is appalling…plus the repetitive politically-oriented automatic videos and random ads irritates me. Honestly, WTF is up with US-based websites these days. Unreadable.
Still, it’s telling that the ”moon” has a Hawaiian name. Much like the navigator in my story…
July 31, 2021
…while light cannot escape a black hole, its extreme gravity warps space around it, which allows light to “echo,” bending around the back of the object. Thanks to this strange phenomenon, astronomers have, for the first time, observed the light from behind a black hole.
https://www.nbcnews.com/science/space/einstein-right-researchers-see-light-echo-black-hole-rcna1553
Einstein has been proven right. Again.
April 25, 2021
“This assumption is consistent with recent theoretical studies of the solar system’s evolution that suggest that asteroids rich in small, volatile molecules like water and carbon dioxide formed beyond Jupiter’s orbit before being transported to areas closer to the sun.”
http://en.ritsumei.ac.jp/news/detail/?id=585
Just announced by my workplace!
And no, I don’t teach in that department.
However, it does show the need for STEM students and researchers in Japan to improve their English. For every study like this published in English there are many more only published in Japanese. Lots of interesting research going on in Japan that people *outside* Japan need to know about!
April 5, 2021
The gag practically writes itself…
…but seriously, this is neat. One source of the X-Rays is the Sun (it also bounces off of Jupiter and Saturn). But there may be yet another source…perhaps the rings of Uranus or the planet itself.
And no, it’s not really pink. That’s just a Chandra X-ray image.
Shame, really.
https://www.nasa.gov/mission_pages/chandra/images/first-x-rays-from-uranus-discovered.html
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