M Thomas Apple Author Page

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

Water molecules detected on the surface of an asteroid in space for the first time

March 13, 2024
MThomas

Water molecules have been detected in asteroid samples returned to Earth, but this marks the first time that the molecules have been discovered on the surface of an asteroid in space. The team studied four silicate-rich asteroids using data from the now-retired Stratospheric Observatory for Infrared Astronomy(SOFIA). 

https://www.popsci.com/science/water-asteroid-space/

The asteroids in question are Iris (124 miles / 200 km in diameter) and Massalia (84 miles / 135 km). Both are in the asteroid belt between Mars and Jupiter. Iris is about the size of the US state of Maryland, while Massalia is roughly the size of Connecticut.

Note that the same observatory also found water on the Moon, about a “12-ounce bottle” worth. Not nearly enough for a settlement, but where there’s surface water (albeit trapped in soil on the surface), there’s likely to be more underneath.

(See also https://www.swri.org/press-release/swri-scientists-identify-water-molecules-asteroids-the-first-time — the PopSci linked article above essentially plagiarised almost its entire text. Bad scientist, bad.)

Original article here: Arrendono et al. (2024) Detection of molecular H20 on nominally anhydrous asteroids. Planet. Sci. J. 5. 37 doi 10.3847/PSJ/ad18b8 – good luck trying to read it!

Bringer of Light: Characters

March 11, 2024
MThomas

This time I tried “mmhmm” studio. Some bumps and bruises, but managed to survive!

Oh, and it doesn’t really have a “pronunciation guide.” Oops. The names (I thought) were fairly easy to pronounce. (Weng is not “wehng” but more like “wong,” or even “wung,” but otherwise straightforward…)

Hope you like the video! (2 of 4, I hope)

Introducing the Bringer of Light!

March 8, 2024
MThomas

Hello, everyone, and thank you for reading!

This is a short (~8 minute) video I made to introduce the story Bringer of Light.

I’ll be posting a couple more videos in the near future about the characters, location, and science behind the story.

Check it out, and share freely!

That’s no m…no, wait, sorry, it is!

February 25, 2024
MThomas

Astronomers have found three previously unknown moons in our solar system — two additional moons circling Neptune and one around Uranus.

https://www.nbcnews.com/science/space/astronomers-spot-new-tiny-moons-neptune-uranus-rcna140285

One takes nearly 27 years to circle Neptune.

The “new” moon of Uranus is only 8 kilometers (5 miles) in diameter.

And there are likely many more yet to be discovered.

Intuitive touches down…is a bizarre sentence…

February 23, 2024
MThomas

A robotic spacecraft made history Thursday becoming the first privately built craft to touch down on the lunar surface, as well as the first American vehicle to accomplish the feat in more than 50 years.

https://www.nbcnews.com/science/space/moon-landing-odysseus-touches-down-lunar-surface-n1308924

Congratulations! 🎉

You now have one week before shutting down permanently.

Jeez. Really? That’s a very expensive week at $118,000,000. Glad the taxpayers approve (?)

Bringer of Light: Background Notes (1)

February 21, 2024
MThomas

It’s been well-known for some time now that the building blocks of life called amino acids can be found on asteroids strewn throughout the solar system.

It’s also thought that water on Earth is largely (or entirely) the result of comets and asteroids bombarding it (it remains debatable to what degree Earth already had water, but since when it formed the Earth was first molten lava and then dry as a bone, I think it far more likely that water came here from elsewhere, and science tends to agree).

I’ve already blogged about the origins of Bringer of Light, when I (finally) finished the first draft back in early September. In a sense, I’ve been constantly blogging the science behind the story.

But I haven’t discussed the characters at all. And despite what some old-fashioned writers may think (just finished a particularly badly-written snarky “why your books don’t sell” piece of trash that claimed science fiction shouldn’t have any emotions in it…say what? sorry not sorry), if the characters of a story aren’t interesting, there isn’t much point in reading a story.

So for the next couple of weeks, I’ll write a bit about the characters — the crew of the Artemis, the crew of the Sagittarius, the UN flunkies (sorry, career politicos) on Mars and Luna and so forth. There are lots of characters, and their interaction is complicated. Or is it?

I would get into my scifi influences at this point, but long blogs are slogs. So I’ll come back to that tomorrow!

Coffee time. Also to finish up at least one unrelated project and also the hardcover manuscript (which needs to be a different paper size than the paperback for some reason).

Photo by Lukas on Pexels.com

Bringer of Light available for pre-order!

February 15, 2024
MThomas

The moment we’ve all been waiting for is nearly here!

Bringer of Light is finally set to be released on March 15, 2024! (Click the link to see a book synopsis and two brief excerpts; Smashwords also has an excerpt from the beginning chapters.)

Stop by Draft2Digital to see links to your favorite bookstore online!

UPDATE: I have some difficulty convincing D2D to distribute to Amazon. Therefore, I have decided to publish Bringer of Light directly on Amazon. Stop by here to order for Kindle (released March 15th). Paperback and hard cover are also in the works.

That’s no (stealth ocean) moon…oh, wait…

February 12, 2024
MThomas

Mimas, the smallest and innermost of Saturn‘s major moons, is believed to generate the right amount of heat to support a subsurface ocean of liquid water

https://www.space.com/saturn-moon-mimas-stealth-ocean-world

Unfortunately the “stealth ocean” is only a few million years old, not nearly enough to harbor life.

But it demonstrates the fact that water may in fact be common in space, opening the possibility of finding life on celestial bodies with older (much older) water sources.

(FYI: Mimas orbits Saturn once every 22 hours, and is affected by tidal forces from Saturn that appear to have melted part of its icy surface.)

SLIM pickings! Back to work…

January 31, 2024
MThomas

The craft is at a very awkward angle. A picture, captured by the small baseball-sized robot called Sora-Q – which was ejected from Slim moments before touchdown – showed the lander face-down on the lunar surface. 

That left its solar panels facing away from the sunlight and unable to generate power. The decision was taken to put the lander into sleep mode – and conserve what power remained – less than three hours after it landed. 

That tactic appears to have worked. A change in the direction of the sunlight has now “awoken” the craft.

https://www.bbc.com/news/science-environment-68131105

As previously reported, JAXA did achieve its goal of a “precision landing” — as some put it, a “pinpoint” touchdown within 100 meters of the intended target — within 55 meters, although if all had gone as planned, it would have been within 10 meters.

That’s far, far closer than previous Moon landings.

Too bad SLIM is essentially standing on its nose. But at least this is a beginning. Japan has now become the fifth country (US, USSR, China, India) to successfully “soft land” an object on the Moon.

And the robots it brought with it are pretty amazing. And tiny.

Newly discovered cosmic megastructure challenges theories of the universe

January 23, 2024
MThomas

The so-called Big Ring has a diameter of about 1.3bn light years, making it among the largest structures ever observed. At more than 9bn light years from Earth, it is too faint to see directly, but its diameter on the night sky would be equivalent to 15 full moons.

https://www.theguardian.com/science/2024/jan/11/newly-discovered-cosmic-megastructure-challenges-theories-of-the-universe

This is important because it contradicts the so-called “cosmological principle” that everything in the universe is basically evenly distributed.

Just thinking about it, though, it makes little sense to assume that galaxies are all evenly spaced. Assuming the Big Bang was a single point should not imply even spacing of anything.

FWIW the “Big Ring” is evidently more a corkscrew shape, directly aimed at us. Evidence of “cosmic strings”? Maybe.

This is not as interesting as technology that will allow us to build hotels and colonies at LaGrange points or communities on Mars, but it’s still interesting. Sorta. Maybe?

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