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

Bringer of Light Chapter 3 — The Artemis (Part 1)

October 24, 2020
MThomas

(This week’s installment is over 3000 words long, so I’m splitting it into two parts for posting. Enjoy!)

“Airlock 2 engaged,” came the navigator’s voice over their helmet comms. “Seal confirmed.”

“Thanks, Enoch,” Riss replied. “Take up your position on the catwalk.”

“Roger.”

Riss removed her helmet and placed it on top of the cargo hold’s control computer stack. Riss surveyed the hold. Designed to safely transport small to medium-sized asteroids, the vast space was shaped like top half of a dodecahedron. Which, in fact, it was. The bottom half comprised the fuel storage for Artemis’s ion engines.

Behind the control computers, the main door to the hold remained closed. Wrapped around the entire cargo hold area, the walkway could be accessed only through a small square portal directly above the main door.

The hold had two access ports. Port-side, Airlock 1 was reserved for the Hopper. Starboard-side, Airlock 2 served as a backup. Riss hated using it. While Airlock 1 was almost flush with the floor, Airlock 2 was several centimeters up the wall. After several initial attempts trying to leave the airlock without spraining an ankle, she decided never to use it for the Hopper. On the other hand, the airlock was perfect for unwanted guests.

Riss motioned for Sanvi and Cooper to stand at either side of her. She readied her sidearm, an old tazer rifle. Riss prayed she wouldn’t have to use it. From the sound of things, Gennaji must still be holding the old grudge, from near the end of her time on the Sagittarius.

At the thought, her eyes hardened. Lena, I’m sorry.

Continue Reading

“I can’t believe we pulled this thing off.”

October 21, 2020
MThomas

“The spacecraft did everything it was supposed to do.”

https://www.theguardian.com/science/2020/oct/21/nasa-osiris-rex-spacecraft-lands-on-asteroid-bennu-in-mission-to-collect-dust

Um. OK. That’s some confidence in your own project you got there, dude.

Now all we have to do is wait a couple of weeks to find out if it actually grabbed anything!

Hey, Bennu, gimme a “High-Five”!

October 20, 2020
MThomas

Why are 3D objects always compared to the Empire State Building?

Researchers understand it to be what they call a carbonaceous asteroid, meaning its rocks still retain a lot of the chemistry that was present when the Sun and the planets came into being more than 4.5 billion years ago. Hence the desire to bring some of its material home for analysis in sophisticated Earth laboratories.

https://www.bbc.com/news/science-environment-54592163

If it’s a spinning top, I don’t see how showing it in comparison to the Eiffel Tower will help us understand how big it is…

Then again, usually media compare things like this to a football field (US) or a football pitch (UK). Or they say things like “as long as [insert type of moving vehicle here] end to end.”

Honestly, just say “510 m3” and leave it at that. All we care about is what the probe will do: Vacuum up and bring back at least 60g of materials from the beginning of the solar system.

Now how about THAT, Hayabusa-2?

OK, granted, this is not related to Bennu. And we’re not dragging an asteroid back “in the 2020s” just yet, Spectrum. But it’s still neat. https://spectrum.ieee.org/automaton/robotics/space-robots/heres-how-nasa-will-grab-an-asteroid

Bringer of Light — Chapter 2. Lunar Base

October 17, 2020
MThomas

(In Chapter 1. The Rock, Captain Riss Kragen and the crew of the Artemis prepared for a confrontation over asteroid hunting rights. Meanwhile, on Luna…)

What an absolute nightmare, Weng thought, waiting in the corridor for the machine to spit out another cup of soy coffee. He grabbed the cup, quickly walked past a row of ugly corridor paintings and headed for the Lunar architectural department office. 

If Sergey could come through for him, if Sergey could convince the Lunar Council to transfer him to Mars, Weng would owe the Captain big time. He would make it up to the old man, somehow, he vowed. For Clarissa’s sake. For his own sake.

Continue Reading

Is teleporting a death sentence?

October 15, 2020
MThomas

“Beam us down, Mr. O’Brien! No, wait, I didn’t meaaaannnnnnnnn……”

Some would argue that having one’s “molecules scrambled,” as Dr. McCoy would put it, is actually the surest way to die. Sure, after you’ve been taken apart by the transporter, you’re put back together somewhere else, good as new. But is it still you on the other side, or is it a copy? If the latter, does that mean the transporter is a suicide box?

https://arstechnica.com/gaming/2017/09/is-beaming-down-in-star-trek-a-death-sentence/

An old article (2017, whose impetus was the imminent release of ST: Discovery) but a good one.

Is the copy of you, you? Or is it a brand new person with the same memories? Would it have ANY memories? Would it have the same consciousness? (Or ANY consciousness?)

Of course, you can always stick to the “David Brin Theory” of teleportation: “Some dude in the future will figure this all out.”

Lazy writers!

(This is why, in my novel, I stick to quantum teleportation of inanimate objects only. That includes quantum communication relays, chunks of asteroids…miniature nuclear bombs…you know, “realistic” things like that.)

And, yes, quantum teleportation is real. Just very, very tiny. For now.

Bringer of Light – starting October 10th!

October 10, 2020
MThomas

I’ve decided to publish sections of my science fiction perptual-work-in-progress Bringer of Light starting Saturday, October 10th. Each week, I aim to post about 1200-1500 words at 7 p.m. Basically about one chapter, although some chapters are longer. But 4,000 words are too much to read on a web page, so I’ll “chunk” them into smaller segment — just like Riss and her crew “chunk” asteroids.

(Note that “Saturday October 10th” is EDT, since that’s where the server is based. I’m in Japan, 13 hours ahead. So when it’s posted in the future, it’ll be in my past. Time travel, woot!)

Check out the Prologue here, and check back later for a list of characters and the table of contents!

Get your telescopes out, the solar system’s largest volcano is here!

October 9, 2020
MThomas

The volcano is about the size of Arizona with a volume 100 times larger than that of Mauna Loa’s, Earth’s largest volcano, NASA says. “In fact, the entire chain of Hawaiian islands (from Kauai to Hawaii) would fit inside Olympus Mons!”

Brighter than Jupiter this October! And the closest Mars will be until 2035.

(The photo is from Forbes, but the information was better on The Telegraph.)

“Weird space” beyond the heliosphere

October 3, 2020
MThomas

“When you look at different parts of the electromagnetic spectrum, that area of space is very different from the blackness we perceive with our eyes,” says Michele Bannister, an astronomer at the University of Canterbury in Christchurch, New Zealand, who studies the outer reaches of the Solar System. “Magnetic fields are fighting and pushing and tied up with each other. The image you should have is like the plunge pool under Niagara Falls.”

https://www.bbc.com/future/article/20200908-the-weird-space-that-lies-outside-our-solar-system?ocid=ww.social.link.email

Where are your nuclear wessels?

August 11, 2020
MThomas

nuclearrockets

Astronauts on a trip to Mars would be exposed to very high levels of radiation which can cause serious long-term health problems such as cancer and sterility. Radiation shielding can help, but it is extremely heavy, and the longer the mission, the more shielding is needed. A better way to reduce radiation exposure is to simply get where you are going quicker.

Hmm. So putting them in a ship with a giant nuclear fission reactor is safer?

I think somebody may want to come up with a backup plan…

BZsV.gif

https://www.space.com/nuclear-powered-rockets-to-explore-solar-system.html

Drill, rocket launch, catch, ferry, repeat?

August 2, 2020
MThomas

fullsizeoutput_76f4

The Airbus spacecraft will have to manoeuvre itself into a position to capture these samples that will be packaged inside a football-sized container.

After ingesting this container, the satellite must then prepare it for return to Earth.

This means not only shipping it across hundred of millions of km of space, but also putting the football inside a re-entry capsule that can be dropped into Earth’s atmosphere to land in an American desert.

This would be, indeed, a feat of engineering as well as a first in interplanetary exploration.

But I wouldn’t go so far as to call it an “interplanetary cargo ship.” Unless the intention is to maintain it as a permanent link between research locations (i.e., some kind of permanent orbitor stationed above the Jezero Crater) and research facilities on Earth (or the Moon, or the International Space Station).

Political will is needed in addition to the enormous funding. Semi-privatization, anyone?

https://www.bbc.com/news/science-environment-53575353

 

 

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