M Thomas Apple Author Page

Science fiction, actual science, history, and personal ranting about life, the universe, and everything

Spectacular image of Jupiter’s auroras and moons

August 23, 2022
MThomas

Courtesy NASA. Note that the blue, white, green, yellow, and orange colors are artificial, only added to make features revealed by infrared stand out for human eyes. You can see the planet’s rings, aurora, and two “tiny” moons (at left; they’re not really that tiny!).

“We’ve never seen Jupiter like this. It’s all quite incredible,” said planetary astronomer Imke de Pater, of the University of California, Berkeley, who helped lead the observations.

“We hadn’t really expected it to be this good, to be honest,” she added in a statement.

https://www.pbs.org/newshour/science/james-webb-space-telescope-shows-jupiters-auroras-tiny-moons

The above is supposed to be in “quote” format, but WP really messed up this feature when they switched to so-called “block” mode (which I can’t stand).

Anyway, the image is fairly spectacular, from the new James Webb Space Telescope which is positioned 1 million miles away from Earth (i.e., in the second LaGrange point, or L2).

When planets align! Eh. Again.

April 24, 2022
MThomas

https://www.nj.com/news/2022/04/parade-of-planets-4-planets-to-line-up-in-sky-this-weekend-joined-by-moon-next-week.html

(Note: You won’t be able to see the planets actually looking like these photoshopped images…unless you happen to have a really powerful telescope in your backyard.)

Not sure why I first got this info from a site based in New Jersey. The info about what time of day and in what part of the sky is only relevant to people living in the NJ_NYC area.

Still, it’s an interesting phenomenon that occurs once every few years…

2005. 2016. 2020. And 2022. Not exactly a regular pattern, it seems.

And, no, there is no “spiritual significance” to a planetary alignment. It’s an illusion, an imaginary lining up of the solar system that doesn’t affect you personally. Sorry.

But it’s still fun to watch. Er, if you enjoy getting up before dawn (I don’t).

According to nj.com, “The planetary parade of sorts will occur when Jupiter, Venus, Mars and Saturn all appear to be lined up in a row above the horizon during the pre-dawn hours — starting Saturday morning, April 23. The alignment will also be visible during the next few mornings, and April’s crescent moon will soon join the parade, according to experts from LiveScience and AccuWeather.”

Yeah, lots of web sites are covering this. At least the one I linked above doesn’t have automated videos, flashing ad gifs, and other random pop-ups that drain your smartphone battery.

Click here for more info about the next great alignment (not as impressive as the so-called “Great Conjunction” a couple years ago, but we’ll see more planets in June and July): https://www.usatoday.com/story/news/nation/2022/04/17/planets-align-april-venus-mars-jupiter-saturn/7351117001/

Scientists detect small pockets of carbon dioxide-rich liquid water in a meteorite dating from the early solar system

April 25, 2021
MThomas

“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!

Blue Jets, Red Sprites, Trolls, and Elves in Space

January 25, 2021
MThomas

“Blue jets” rise up from clouds.

Above the lightning, “red sprites” can be seen (plasma discharges).

Known about since 1886, not photographed until 1989….and now known to occur on Jupiter.

Check out this page for some amazing photos…

“NASA captures blue jets and red sprites above thunderstorms from space” (somebody needs to help Forbes with its grammar…”from space” is a misplaced modifier…)

The Great Conjunction of 2020 is coming!

November 3, 2020
MThomas

On the the exact date of the winter solstice, Jupiter and Saturn appear closer together in the night sky that and at any point since July 16, 1623.

https://www.forbes.com/sites/jamiecartereurope/2020/11/02/this-week-jupiter-aligns-with-saturn-what-happens-next-will-be-a-once-in-a-lifetime-sky-event/?sh=639906404b72

Mars to the East, Jupiter to the South…hey, is that a Saturn?

Also, go over to https://www.theplanetstoday.com to see how Jupiter and Saturn are both currently in a heliocentric conjunction (i.e., lined up with the Sun) on November 2nd.

It’s a Nice Model you’ve got there, Mars. Be a shame if something happened to it…

January 12, 2020
MThomas

“Without this instability, Mars likely would have had a mass closer to Earth’s and would be a very different, perhaps more Earth-like, planet compared to what it is today.”

Damn you, Jupiter and Saturn! Why couldn’t you have just stayed in your orbits and left Mars alone? (Shakes fist futilely at night sky.)

— Read on www.universal-sci.com/headlines/2018/5/10/the-giant-planets-in-the-solar-system-stunted-the-growth-of-mars

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