M Thomas Apple Author Page

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

DART did it! 🎯

October 12, 2022
MThomas

“For the first time ever, humanity has changed the orbit of a planetary body,” said NASA planetary science division director Lori Glaze.

https://www.sciencenews.org/article/dart-mission-deflected-asteroid-for-planetary-defense

A change of 32 minutes in orbit — but only 4% of the total orbital period. To deflect an asteroid away from Earth, it’d better be done several years in advance. 🌏

Still, it can be done. An amazing first.

Upcoming future events (according to a time traveler)

October 10, 2022
MThomas

Remember, it’s a video on TikTok, so it must be real. (link below to The Independent, a completely trustworthy sources of snarkiness).

https://www.indy100.com/viral/time-traveller-meteor-earth-tiktok-2658417934

Will NASA call it all off? PSYCHE!

August 18, 2022
MThomas

First of all, stop calling it “the golden asteroid.” That’s confusing people (the headline of the article linked below even uses the phrase “gold mine.” Come on, lazy journalists.)

If 16 Psyche is worth mining, when could such operations proceed? Citigroup thinks that space mining, including from the moon and asteroids, will be a $100 billion-per-year business by 2040. Launch costs will continue to decrease and experience in operating in space will continue to expand until such a business makes economic sense.

https://thehill.com/opinion/technology/3597381-nasa-might-cancel-mission-to-massive-gold-mine-asteroid-heres-why-it-shouldnt/

So is asteroid worth it?

Sure.

Is it horribly expensive right now?

Sure.

So why do it?

Well, how heavy do you think the materials to make buildings and ships in outer space are?

If we’re serious about putting people on the Moon and Mars, then it makes much more sense to set up robotic mining factories and assemble everything in space.

All this needs is a little incentive…like a new space race…

Looking for aliens in all the wrong places?

August 12, 2022
MThomas

Our search for alien life is getting serious. With better telescopes and a growing scientific consensus that we’re probably not alone in the universe, we’re beginning to look farther and wider across the vastness of space for evidence of extraterrestrials.

But it’s possible we’re looking for too few signs in too few places. Having evolved on Earth, surrounded by Earth life, we assume alien life would look and behave like terrestrial life.

https://www.thedailybeast.com/alien-hunters-need-to-start-rethinking-the-definition-of-life?

I agree that we are biased, simply based on the basics of what we understand as (carbon-based) life (i.e., ourselves).

And I agree — in principle — that scientists need to keep an open mind when looking for other life forms on exoplanets.

However, they also need to retain a sense of skepticism.

Continue Reading

International asteroid day!

June 30, 2022
MThomas

Today is “International Asteroid Day”!

Who knew?

Asteroids hold large amounts of valuable minerals and metals. That is what International Asteroid Day is raising awareness about on 30 June.

https://www.bbc.com/news/av/science-environment-61985813

Amino acids found in material brought back by Hayabusa-2

June 6, 2022
MThomas

More than 20 types of amino acids have been detected in samples Japan’s Hayabusa2 space probe brought to Earth from an asteroid in late 2020, a government official said Monday, showing for the first time the organic compounds exist on asteroids in space.

https://english.kyodonews.net/news/2022/06/9a7dbced6c3a-amino-acids-found-in-asteroid-samples-collected-by-hayabusa2-probe.html

This lends support to the hypothesis that life on Earth was brought to it during the Late Heavy Bombardment period – in which meteors brought not just water but the building blocks of life…

Now imagine if someone were to find an asteroid with addition proteins NOT found on Earth… (i.e., my novel’s scientific premise…)

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.

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.

Continue Reading

The DART has lift-off

November 24, 2021
MThomas

twitter.com/nasa/status/1463315612042678279

Technically, the two asteroids the DART is aiming at are a “binary” (they orbit each other).

The BBC’s explanation is pretty good.

They don’t even mention Bruce Willis until the final sentence.

https://www.bbc.com/news/science-environment-59327293

Destination: Red Planet

June 27, 2021
MThomas

Like other nations, China “regards Mars exploration as the preferred destination for deep space exploration,” Wang said.

https://abcnews.go.com/amp/Technology/china-unveils-ambitious-roadmap-human-mars-exploration/

China’s plan calls for setting up a permanently occupied base and a fleet of interplanetary craft. Probably it’s a good idea to first see whether it can meet its goal of landing people on Mars in 2033.

Of course, China is “willing to join hands with our counterparts and partners all over the world,” but it’s unlikely NASA, JAXA, ESA, and the UAE and other countries not named Russia will “cooperate.”

The next space race is here. Just wait until multinats actually decide asteroid mining is worth the risk and expense.

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