astronomy

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holycrap, w James Webb telescope discovers the oldest, most distant black hole in the universe

…so far

HurlingDurling, w NASA Finally Removes Last Two Fasteners To Access Historic Bennu Asteroid Sample
@HurlingDurling@lemmy.world avatar

This canister opening has to be conducted under the most pristine conditions to not contaminate the sample, so this was quite the issue.

Since they couldn’t just take a circular saw and cut through it

And here I was going to suggest some WD-40 or a blow torch could help.

unionagainstdhmo, (edited ) w Scientists found a primordial galaxy with a bunch of gas and no stars
@unionagainstdhmo@aussie.zone avatar

Sounds like the galaxy used its gas to gaslight NASA into thinking it is a galaxy

itsnotits,

used its* gas

unionagainstdhmo,
@unionagainstdhmo@aussie.zone avatar

Damn autocorrect, fixed now. Thanks

Cyberflunk, w Newly discovered cosmic megastructure challenges theories of the universe

Dyson Sphere Program Vibes.

neo,

Or hyperspace bypass.

outstanding_bond, w NASA Selects a Wild Plan to "Swarm" Proxima Centauri With Thousands of Tiny Probes

A very cool idea, however the headline is misleading - NASA has not even remotely committed to running this mission. They’ve selected the swarm project as one of 13 projects in their innovation program and given it up to $175k to study feasibility. That’s roughly a postdoc for two years. This is far, far from committing the hundreds of millions or billions needed for the execution of this mission.

c10l, w Total solar eclipse 2024: Live updates

will be visible across the Americas

Proceeds to list 3 regions in North America where it will be visible.

SolarMonkey, w For the first time, astronomers watch a black hole 'wake up' in real-time

Are the tracking systems for those massive telescopes sophisticated enough to track objects by designation, or do they still require coordinates? Like I know they have tracking for earths rotation but I can’t even imagine needing to look up the info to set sights on some body for the allotted view time, however many days that would be done for (I assume it’s a set of long precise numbers, far too long to easily memorize)

p03locke,
@p03locke@lemmy.dbzer0.com avatar
snausagesinablanket, w Perseverance rover witnesses one Martian dust devil eating another
@snausagesinablanket@lemmy.world avatar

Played it 3 times. Only saw one.

Paragone, w Curiosity Mars rover discovers largest organic molecules ever seen on Red Planet

Alkanes, from the possible breakdown of fatty-acids, in distant past…

To me, the question then becomes … is there any nonbiological-method for Mars to have produced those molecules?

IF so, THEN … probably that’s how they got there…

but without knowing the answer to that question…

it isn’t decided, is it?

vaguerant, w Curiosity Mars rover discovers largest organic molecules ever seen on Red Planet
@vaguerant@fedia.io avatar

We'll just tell your mother that we ate it all.

Klanky, w Stargazing Saturdays 2025-03-15
@Klanky@sopuli.xyz avatar

Man I need to get my scope out again. It’s been years. Maybe one of these days…

threelonmusketeers, w Asteroid 2024 YR4 now has a 1.94% chance to hit the Moon (according to my own calculations)

Do we know if the Moon will be in the correct phase in it’s orbit when 2024 YR4 comes by? I didn’t notice a term to account for that, but I’m not too familiar with Desmos.

LostXOR,

The calculations for the close approach data I'm using to calculate the probability already take the Moon's orbit into account.

janus2, w Saturn has 128 new moons – more than the rest of the planets combined
@janus2@lemmy.zip avatar

“Did you bring enough to share with the whole class?”

the class:

PixTupy, w Juno reveals dozens of lava lakes on Jupiter’s moon Io

I read lava cakes and was very confused for a second.

neuracnu, w Juno reveals dozens of lava lakes on Jupiter’s moon Io
@neuracnu@lemmy.blahaj.zone avatar

I’d love to have been in the room when Galileo sent back its first images of Io back in the day. The collective “wtf am I looking at?” reaction would be priceless.

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