M Thomas Apple Author Page

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

3I/Atlas coming to a planet near you!

December 19, 2025
MThomas

3I/Atlas. Not a real photo. Also, not aliens. Sorry.

https://www.space.com/news/live/interstellar-comet-3i-atlas-closest-to-earth-flyby-week-dec-18-2025

Discovered on July 1 by the NASA-funded ATLAS telescopes in Chile, 3I/ATLAS is only the third confirmed interstellar object known to have passed through our cosmic neighborhood, following 1I/‘Oumuamua in 2017 and comet 2I/Borisov in 2019. Its trajectory shows that it originated from beyond our solar system and will eventually travel back into interstellar space.

https://www.space.com/astronomy/comets/interstellar-comet-3i-atlas-makes-its-closest-approach-to-earth-on-dec-19-heres-what-you-need-to-know

Of course, Avi Loeb has already claimed (once again) that an interstellar comet is an “alien probe.”

And naturally, other astrophysicists immediately refuted him. Again.

It’s fast. REAL fast. So fast that even as it entered the solar system it was traveling the distance from the Earth to the Sun in only a month, and then it began to pick up even more speed (from the Sun’s gravity, NOT from “jets out the back” or whatever else unscientific SF fans say online).

Of course, we can assume that the aliens’ spaceship will detach from it precisely during its approach to Mars, or during its passage through perihelion when we cannot see it. In this case, it will have to slow down by more than 20 km/s.

And even so, this will not help the aliens much, because the trajectory will remain retrograde relative to the direction of the planets’ rotation around the Sun. So, if the aliens who flew to us billions of years ago have a plan that is a little more complicated than becoming kamikaze pilots, they will have to slow down again, spending a lot of energy on it. And the aliens still need to get that energy from somewhere.

So, most likely, we should not expect any extraterrestrial visitors at the end of the year. And we will not be able to admire the interstellar comet itself. By the time it emerges from behind the Sun, its brightness will already be approximately 11 stellar magnitudes, meaning it will be inaccessible even to small amateur instruments, let alone the naked eye.

So, nah. Sorry.

–> LIVESTREAM from 11 p.m. EST December 19th here: https://www.space.com/astronomy/comets/watch-interstellar-comet-3i-atlas-make-its-closest-approach-to-earth-in-free-livestream-on-dec-18

(FWIW, the last two sentences are NOT supposed to be quotes, but wordpress is quite frankly broken.)

Life on Trappist 1e?

September 12, 2025
MThomas

In two separate papers published Monday in the Astrophysical Journal Letters, astronomers zeroed in on the TRAPPIST-1 system, which consists of seven rocky planets that orbit a single star. Both studies outlined initial results from observations by NASA’s James Webb Space Telescope, suggesting that one planet in particular, known as TRAPPIST-1e, may have a nitrogen-rich atmosphere like Earth’s, though follow-up studies are needed to confirm the discovery.

https://www.nbcnews.com/science/space/trappist1e-atmosphere-extraterrestrial-life-planet-earth-conditions-rcna229839

Trappist 1e is in the “Goldilocks zone” in orbit around its star (i.e., not too cold, not too hot, just right). However, the Webb telescope can’t determine whether its atmosphere has any carbon dioxide, hydrogen, or oxygen, only nitrogen. Yet nitrogen is a clear sign that life is possible, because without nitrogen, DNA and other proteins are not possible. Of course, it could be simply a whole lot of microbes. Or even just ammonia.

Closer to home, the Mars rover Perseverance has found evidence of life in the distant past. Maybe. It found evidence that certain rock features may have happened because of microbes.

May.

That’s how science works, folks. A whole lot of maybes.

(I still think we need more catchy names for the Trappists. I mean, come on.

Interstellar! If only…

September 26, 2024
MThomas

According to Thorne, who served as a consultant on the science of Interstellar, quantum mechanics could hypothetically explain a way to time travel via wormhole. So far, it’s a thought experiment that leads to the conclusion that you’d lose information along the way—not very practical.

https://www.popularmechanics.com/space/deep-space/a62175728/interstellar-travel-wormholes

First off, I’m incredibly annoyed at the way WordPress has screwed up the “quotation” function. It seems they are more focused on encouraging bloggers to use AI to write.

Uh. I don’t need AI. I blog. The end. WTH is the point of using AI to write my thoughts? It’s already being trained to USE my blog in the first place! Idiots.

OK. Second, the Popular Mechanics article I’m linking to is entitled “Interstellar travel is possible if we break into a higher dimension, scientists say.”

Only, that is NOT what scientists say. It’s still a thought experiment!

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“The fungus among us”: biohybrid machines and mushrooms

September 3, 2024
MThomas

Researchers at Cornell have come up with a novel way to control a walking robot: with a mushroom.

Cornell explained in a press release that these four-legged “biohybrid” robots were built by researchers who literally grew mycelia, the belowground connective threads that allow fungal communities to communicate, into the robot itself.

https://futurism.com/the-byte/mushroom-robot-brain

This is a little freaky…

Believe it or not, there actually is some science behind Star Trek: Discovery’s “spore drive.” This robot is just one small step…

Psyche! There are no “mycelial network” in space, and the drive would only work if we could somehow find a fifth spatial dimension (this was discussed a few years ago).

Too bad the spore drive is “laughably ridiculous,” said one scientist, and if all Star Trek ships had one, over half its episodes wouldn’t have happened.

Oh well. At least a “sporebot” is possible.

Hmm.

Sorry for the long absence…

September 2, 2024
MThomas

Haven’t posted anything in about five or six weeks. Sorry!

I was going to initially post something about the Boeing crew that got stranded on the ISS, but NASA kept delaying their decision to use SpaceX. It was a given that they’d have no choice.

Boeing, quite obviously, cannot be trusted to spend millions of taxpayer’s dollars and make a proper spacecraft.

Anyway, I’ll start posting something more interesting soon.

In the meantime, here’s a Star Trek TOS selfie by Catwoman. I mean Lee Meriwether. (S3:14, That Which Survives)

What is the next “unfilmable” scifi book to hit the big screen?

April 1, 2024
MThomas

The story of the last 20 years of pop culture is, in many ways, the Victory Of The Nerd: Comic book films, gaming adaptations, the general adoption of deeply nerdy genre trappings like time loop stories, superheroes, and more, all making billions of dollars at the box office as geek obsessions infiltrate the body mainstream.

https://www.avclub.com/dune-other-great-unfilmable-sci-fi-novels-1851370740

AV Club suggests these five:

God Emperor of Dune (book 4)

The Caves of Steel (Isaac Asimov)

The Left Hand of Darkness (Ursula LeGuin)

The Sirens of Titan (Kurt Vonnegut)

The Player of Games (Iain Banks)

One of the main problems that some “classic SciFi” doesn’t get made into movies is that their plots are, frankly, often ridiculous or cheesy.

What would you want to see on the big screen finally?

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

My latest attempt to troll as many fanbases as possible…

February 9, 2024
MThomas

Did I miss anyone? 😆👽🤖👾

First-look at the Dust of Bennu

October 12, 2023
MThomas

Carbon accounted for almost five percent of the sample’s total weight, and was present in both organic and mineral form, while the water was locked inside the crystal structure of clay minerals, he said.

Scientists believe the reason Earth has oceans, lakes and rivers is because it was hit with water-carrying asteroids 4 to 4.5 billion years ago, making it a habitable planet.

https://www.sciencealert.com/first-look-at-pristine-asteroid-dust-reveals-abundance-of-water-and-carbon

We have ample evidence now that all water on Earth was brought during the “Late Heavy Bombardment” period (4~4.5 billion years ago). Imagine how many rocks it took to get enough water (estimates anywhere between 20 and 200 million years of asteroid after asteroid slamming into the Earth).

And the only reason life exists on Earth is that there is enough iron and nickel in the Earth’s core to generate a magnetic field to prevent solar radiation from ripping off the atmosphere. Which is likely what happened to Mars.

(Alright, alright, technically electrical currents running through the liquid iron outer core as well as in the crust and ionosphere also contribute to the magnetic field. Go check out this horribly complicated explanation if you like.)

Note that this is the third time to get asteroid dust to examine. JAXA has managed to do this twice now. But Hayabusa-2 only got about 5 grams. The OSIRIS-REx project got about 250 grams (1/2 lb). Lots more = lots more to save for future researchers who will have developed even more sophisticated analysis methods.

Now lets get some PEOPLE on those things and start mining and living in space, already!

Bringer of Light first draft completed (finally!)

September 10, 2023
MThomas

Way back in 2015, my good friend Rami Z Cohen came to me with an idea for a story. He had written two or three scenes about a group of asteroid hunters who stumbled upon something bizarre. The idea of mining asteroids was news at the time (and still is, although probably too expensive right now and not a worthwhile investment until we actually get some people in space who need metals without relying on NASA/ESA/JAXA/ISRO/etc).

I was more interested in philosophical aspects of finding that we are all (as the late great Carl Sagan loved to put it) “star stuff” (he meant carbon being created by supernovas, but we also know that asteroids are the way we got amino acids to rain down on ancient Earth).

So Rami and I began to email ideas back and forth for a few weeks, then we started to flesh out his characters and plot. I wrote a synopsis and outline and we hashed out the background.

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