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Thu Jun 10, 2021, 12:42 PM

Tardigrades: 'Water bears' stuck on the moon after crash



Tweet text:
Daniel Kibblesmith
@kibblesmith
Feels like it should be a bigger news story that we permanently put alive animals on the moon.
A coloured scanning electron micrograph of a tardigrade in moss
Tardigrades: 'Water bears' stuck on the moon after crash
Tiny animals called tardigrades are thought to have survived a crash-landing on the moon.
bbc.com
2:10 PM · Jun 9, 2021


https://www.bbc.com/news/newsbeat-49265125

Tardigrades - often called water bears - are creatures under a millimetre long that can survive being heated to 150C and frozen to almost absolute zero.

They were travelling on an Israeli spacecraft that crash-landed on the moon in April.

And the co-founder of the organisation that put them there thinks they're almost definitely still alive.

The water bears had been dehydrated to place them in suspended animation and then encased in artificial amber.

"We believe the chances of survival for the tardigrades... are extremely high," Arch Mission Foundation boss Nova Spivack said.

*snip*

24 replies, 996 views

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Reply Tardigrades: 'Water bears' stuck on the moon after crash (Original post)
Nevilledog Thursday OP
soothsayer Thursday #1
genxlib Thursday #2
Klaralven Thursday #3
Hekate Thursday #4
Solly Mack Thursday #5
chowder66 Thursday #7
Solly Mack Thursday #10
chowder66 Thursday #18
Solly Mack Thursday #19
chowder66 Thursday #20
SWBTATTReg Thursday #6
RegularJam Thursday #9
EX500rider Thursday #11
SWBTATTReg Friday #24
PurgedVoter Thursday #8
muriel_volestrangler Thursday #12
hunter Thursday #14
Tommy Carcetti Thursday #13
sarisataka Thursday #15
lagomorph777 Thursday #16
Orrex Thursday #17
Peppertoo Thursday #21
Noodleboy13 Thursday #22
NickB79 Thursday #23

Response to Nevilledog (Original post)

Thu Jun 10, 2021, 12:47 PM

1. Huh

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 12:47 PM

2. Geez

It's like these people don't watch movies at all.

It sounds like the origin story of a horrible monster that will haunt us during when we go to colonize in a couple of years.

(yes I know they are microscopic. But you know...radiation)

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 12:52 PM

3. Tardigrades are pretty simple animals

Tardigrades lack several Hox genes and a large intermediate region of the body axis. In insects, this corresponds to the entire thorax and the abdomen. Practically the whole body, except for the last pair of legs, is made up of just the segments that are homologous to the head region in arthropods.

All adult tardigrades of the same species have the same number of cells (see eutely). Some species have as many as 40,000 cells in each adult, while others have far fewer.


https://en.wikipedia.org/wiki/Tardigrade

The Arch Mission Foundation is a little strange --

https://en.wikipedia.org/wiki/Arch_Mission_Foundation

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 01:03 PM

4. Very...interesting

Tardigrades

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 01:13 PM

5. Moon Bears :)

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Response to Solly Mack (Reply #5)

Thu Jun 10, 2021, 01:28 PM

7. Awwwwww. nt

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Response to chowder66 (Reply #7)

Thu Jun 10, 2021, 01:58 PM

10. Coming soon: Martian Bears, Venusian Bears, Jovian Bears, etc..

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Response to Solly Mack (Reply #10)

Thu Jun 10, 2021, 04:15 PM

18. Spaaaaaaace bears!

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Response to chowder66 (Reply #18)

Thu Jun 10, 2021, 04:19 PM

19. Yes!

Can't you just imagine a Tardigrade in a teeny tiny astronaut suit?

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Response to Solly Mack (Reply #19)

Thu Jun 10, 2021, 04:22 PM

20. Yes I can and I love the visual.

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 01:16 PM

6. What gave them the right to contaminate the Moon?

Can they guarantee that the amber won't dissolve over time on such a hostile environment and what purpose does this serve, if they're not going to retrieve and see what condition the water bears are in later?

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Response to SWBTATTReg (Reply #6)

Thu Jun 10, 2021, 01:54 PM

9. A crash? nt

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Response to SWBTATTReg (Reply #6)

Thu Jun 10, 2021, 02:16 PM

11. "the right to contaminate the Moon?"

How do you "contaminate" a dead moon with no atmosphere, no life and average temperatures from -298 degrees Fahrenheit to 224 degrees Fahrenheit?

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Response to EX500rider (Reply #11)

Fri Jun 11, 2021, 01:45 PM

24. So why do they disinfect spacecraft that is being sent into space, on its way to other places

within the solar system still then, wear protective suits while working on such craft, prior to being shipped off/launched, all while space is dead/the moon is dead? Obviously the powers that be agree w/ me on these steps to avoid contamination.

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 01:36 PM

8. I for one, welcome our new Tardigrade masters.

Do they really think that a Tardigrade is going to be stopped by a bit of artificial amber?

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 02:58 PM

12. Well, we did have 3 DU threads on it when it happened 2 years ago

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Response to muriel_volestrangler (Reply #12)

Thu Jun 10, 2021, 03:07 PM

14. Maybe he's posting from a space ship a light year from here...


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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 03:00 PM

13. Giant steps are what they take...

...Waterbears on the moon...

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 03:07 PM

15. I have no doubt

They will patiently wait for us and revive just fine.

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 03:10 PM

16. Is anybody organizing a rescue mission?

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 03:19 PM

17. Did anyone ask The Moon's permission before blowing her up?

Too soon?

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 04:24 PM

21. Anyone see Star Trek Discovery

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 04:46 PM

22. They'll be fine

Tardigrades rock. They've survived for several days in the vacuum of space. They live everywhere on earth, from Antarctica to the Marianas trench to the inside of volcanoes. On the moon they will probably just go underground, freeze-dry/dehydrate themselves (cuz of course they can do that) Researchers recently fired some out of a high speed rail gun. The tardigrades survived of course, although scientists did record a tiny "Whoooooo-Hooooooo" sound during the test.


peace,
Noodleboy

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Response to Nevilledog (Original post)

Thu Jun 10, 2021, 04:54 PM

23. Recent research suggests they didn't survive

The force of impact would have been too high.

Yes, scientists actually shot tardigrades out of a gun for science.

https://www.sciencemag.org/news/2021/05/hardy-water-bears-survive-bullet-impacts-point

They then placed two to four at a time in a hollow nylon bullet and fired them at increasing speeds using a two-stage light gas gun, a tool in physics experiments that can achieve muzzle velocities far higher than any conventional gun. When shooting the bullets into a sand target several meters away, the researchers found the creatures could survive impacts up to about 900 meters per second (or about 3000 kilometers per hour), and momentary shock pressures up to a limit of 1.14 gigapascals (GPa), they report this month in Astrobiology. “Above [those speeds], they just mush,” Traspas says.

The results suggest the tardigrades on Beresheet were unlikely to survive. Although the lander is thought to have crashed at a few hundred meters per second, the shock pressure its metal frame generated hitting the surface would have been “well above” 1.14 GPa, Traspas says. “We can confirm they didn’t survive.”

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