M Thomas Apple Author Page

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

Super Flower Blood Moon coming soon

May 15, 2022
MThomas

I love the “illustrative diagram” note for people who might complain this is not scientifically accurate due to scale.

…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.

Let’s make rocket fuel with E. Coli!

April 12, 2022
MThomas

In short, the algae will use sunlight to transform CO2 into sugars that are then enhanced by bio-engineered E.coli into 2,3-butanediol. Interestingly, 2,3-BDO is not entirely conceptual as it currently exists and is mainly used to produce rubber components. It has just never been thought of as fuel before.

https://www.universal-sci.com/article/producing-rocket-fuel-on-mars-using-microbes?utm_campaign=Universal-Sci%20Weekly&utm_medium=email&utm_source=Revue%20newsletter

Neat. So all the astronauts have to do is bring, uh, how much algae we talking here?

The article doesn’t say, but it does mention a by-product of the process: Oxygen!

That would seem rather helpful. Mars or bust?

How do you do it without gravity?

March 18, 2022
MThomas

Or, as I’m sure was unintentionally titled, ”Nasa probing people having sex in space.” 🤦

Ya know, I’m pretty sure we need to figure out “this whole food-air deal” first (to quote comedian Bill Hicks).

“The US space agency confirmed that there were currently no plans for a field or project office to explore the topic in any detail but that could change as we get closer to putting humans on Mars.“

Uh-huh.

Priorities…

Psyche! It might not be as heavy as we thought

March 4, 2022
MThomas

A new study suggests that 16 Psyche, one of the most intriguing and most valuable asteroids we know of, could be covered in iron-spewing volcanoes.

https://www.forbes.com/sites/jamiecartereurope/2022/02/24/the-iron-giant-asteroid-worth-more-than-our-global-economy-may-have-an-explosive-secret-say-scientists

Psyche is an asteroid that was probably once the heart of a planet in the early system, one that didn’t survive the violent process of planet formation.

Yep — that “worth more than the global economy” rock in space.

But we’ll have to wait a few years to find out if it’s “less metal and more hard rock” — the Psyche Mission rockets off in August 2022 and the probe won’t arrive for four more years.

How do we find ET? Look for pollution…

February 24, 2022
MThomas

CFCs in the atmosphere above the North Pole.

“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…

Ready to ride the laser to Mars?

February 11, 2022
MThomas

“The laser, a 10-meter wide array on Earth, would heat hydrogen plasma in a chamber behind the spacecraft, producing thrust from hydrogen gas and sending it to Mars in only 45 days. There, it would aerobrake in Mars’ atmosphere, shuttling supplies to human colonists or, someday perhaps, even humans themselves.”

https://phys.org/news/2022-02-laser-mars.html

The only problem is that there’s no way to slow the thing down right now…”aerobraking” using current technology would cause gees of 8 or above for several minutes and temperatures hot enough to cook whatever’s in the ship to a nice toasty crisp.

Not even the G-Force would survive! Well, OK, maybe. (But only if they reverted to their original Japanese name – “Gatchman.”)

But what if robots could design a receiving station with lasers to “catch” the ship and slow it down…?

Hmmm. Sounds like a science fiction work in progress…

Purple rocks on Mars

February 5, 2022
MThomas

SuperCam showed that the coatings are enriched in hydrogen and sometimes magnesium. In addition, images from Mastcam-Z suggest that they also contain iron oxides. Both the hydrogen and iron oxides point to past water being involved in the formation of the coatings. That shouldn’t be too surprising, perhaps, since this area in Jezero Crater used to be a lake a few billion years ago.

https://earthsky.org/space/purple-rocks-mars-perseverance-rover-desert-varnish/

The rocks resemble so-called desert varnish, which protect microbes from the sun’s radiation. It’d be interesting to find out whether cyanobacteria that once existed on Mars did this…but the four billion year old question is, how did those bacteria get there in the first place?

The Death Star has an inner ocean

January 22, 2022
MThomas

New analysis of one of Saturn’s moons suggests that it may harbor a liquid ocean. No, not the usual suspects – the new culprit is Mimas, the little moon with a big crater, which gives it more than a passing resemblance to the ‘Death Star’ from Star Wars.

https://www.sciencealert.com/evidence-for-a-liquid-ocean-has-been-uncovered-in-saturn-s-death-star-moon

Add Mimas to Europa and Enceladus as possible moons harboring ET.

Like, IWOW —-

China investigating how to build a mega spaceship

January 9, 2022
MThomas

China is investigating how to build ultra-large spacecraft that are up to 0.6 mile (1 kilometer) long. But how feasible is the idea, and what would be the use of such a massive spacecraft?

https://www.livescience.com/mega-spaceship-china-proposal.html

The original title of the Live Science post linked above is “China wants to build…” but this is incorrect. The National Natural Science Foundation of China is proposing a feasibility study. This is not the same thing as “China wants to build a kilometer-long ship.”

Likely the study will find out that it’s just too expensive and not worth it in terms of effort, resources, and maintenance costs. But it may show the benefits of setting up a base on the Moon and then sending materials there to be 3D-printed for future exploration or human colonies elsewhere.

Sending up a ginormous ship from Earth is foolhardy. Figuring out how to build stuff in space is much smarter.

Bringer of Light, Chapter 31: Ceres – The mining station (Part 2)

January 8, 2022
MThomas

The Seventh Sister finally shows her hand, and no one is particularly pleased…

Gennaji strolled forward, keeping one eye on the traitor, Andrej. But the miner was no longer paying attention to him. Riss and her crew were the star attraction now. And they seemed to have infuriated Ildico.

He was curious, yet the fate of Sergey gnawed at him. Better to glean whatever information he could here and run to Luna. The old man was stubborn and still had allies. Surely he’d hold out, regroup and bide his time until help could arrive.

“Gennaji!” Riss called. “We’ve been waiting for you. This,” she gestured, “is what we are prepared to offer you.”

Andrej gave a mild yelp and threw his weapon to the floor. “It’s burning!”

“No,” Riss said calmly. “It’s changing.”

Before their eyes, the pistol seemed to melt, then condensate. The grey metal dissipated into the air and the shimmering form emitted a vapor and slight hiss as the color changed.

It was a dull yellow and black.

Gennaji pushed through Ildico and Taygete, knelt at the former weapon. He touched it with a tentative finger, then picking it up. Heavy. Much too heavy.

Gold.

“How?” he raised his head.

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