astronomy

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LibertyLizard, w A baby star's planet-forming disk has 3 times more water than all of Earth's oceans
@LibertyLizard@slrpnk.net avatar

That’s it? Doesn’t seem like much at all.

jeena, w Solar eclipse on Mars! Perseverance rover sees Martian moon Phobos cross the sun in epic video
@jeena@jemmy.jeena.net avatar

This is very cool!

gravitas_deficiency, w Japan's precision moon lander has hit its target, but it appears to be upside-down
Olap, w 7 bizarre facts about the Solar System to stump any scientist

Clickbait headline quality article

btaf45,

Ethan Seigel never does "clickbait’ articles. He does 100% educational articles. I actually didn’t know more than half of these things. Who the hell knew that Earth does not have the most water in the solar system?

Olap,

It’s unusual for the author to write a headline fyi - and I do agree, full of great facts

j4k3, w OP: "This is my most advance moon photograph EVER it consist of 81000 images and over 708GB of data." (see comments.)
@j4k3@lemmy.world avatar

I imagine the yellowish tinted areas are mostly sulfur from volcanic ash emissions. That middle picture, in the section between the two mare, it looks like how beach sand is altered after being inundated with water. In general, most of the surface looks like pulverized sand on a beach, at a high level abstracted perspective view. That one section between the mare looks whetted by comparison. Perhaps ash altered the consistency enough to create a similar type of compacted appearance, but if there was water and vulcanism in the area, perhaps that was the Lunar version of Yellowstone.

Funny that the most recent research on the anomalous regions inside the Earth’s mantle have now been linked to the Theia collision through the mantle hotspot activity. So it is likely that the moon and Yellowstone are directly linked. It would be interesting to find that the regional anomalies on the moon are likewise of a similar origin. It would be interesting to me if Yellowstone’s doppelganger is right there in plain sight as well.

ID411, w OP: "This is my most advance moon photograph EVER it consist of 81000 images and over 708GB of data." (see comments.)

This came up on my feed. I’m not into the hobby, but it’s a beautiful photograph

slazer2au, w The sun's magnetic field is about to flip. Here's what to expect.

This phenomenon happens roughly every 11 years and marks an important stage in the solar cycle.

How does it affect us?

It doesn’t.

cynar,

We get a maxima in solar storm activity. This can cause solar flares that can knock out satellites. They can even mess with power transmission lines, if they hit hard enough.

So it won’t affect you, if you don’t use power, or data via satellite.

Etterra,

Yeah, nothing cool ever dooms us all.

tate, w Long ago, a lake on Mars might have been sprawling with microbes

That’s not what “sprawling” means.

I know it’s in the article headline and OP is likely not the author, but it’s impossible to give feedback on space.com so I’m leaving it here from frustration.

DoYouNot, w Voyager 1 contact restored

Great news, terrible article!

lemmyseizethemeans,

I know right. Please for the love of all things science tell us how they fixed it

JulesTheModest,

Usatoday…

Trainguyrom, w After 30 years, I'm finally going to see a total solar eclipse. Also, Potato World is a thing.

My wife only went because I was hellbent on seeing the eclipse at totality (we saw the last October’s eclipse and 2017 both from around 90% coverage). Afterwards she said “the Grand canyon ain’t got shit on a solar eclipse” and we are both still in shock for how amazing of an experience it was.

The wonky colors as day slowly turned to night, the sudden whooshing shadow as totality began, the burning ring of fire in the sky then the light whooshing back as totality ended, the cacophony of yelps by folks too slow to put their eclipse glasses back on. It was a hell of an experience

rolaulten,

I’m in a similar boat. Flew across the country because after “missing” 2017s I immediately felt regret. Now I’m debating Europe in 2026.

But the colors. Can someone who understands this stuff please explain to me why a simple reduction in light in the lead up to (and following) totality makes all the colors seem “wrong”?

Kichae,

Ot depends on which colours you mean.

Kichae, w After 30 years, I'm finally going to see a total solar eclipse. Also, Potato World is a thing.

So, apparently Potato World is actually open today, unannounced. So, just this once, everybody lives I really can have it all

Kichae,

False alarm. They just have an inflatable planetarium set up inside. No potato displays at all :(

soupspoon,

This was a roller coaster of emotions! I had to look up Potato World after that and saw Col. Chris Hadfield is giving a speech nearby this evening

Kichae,

He is! Though I’m not sure how anyone has anything left in the tank after the eclipse for a talk, even from him

AnUnusualRelic,
@AnUnusualRelic@lemmy.world avatar

“Potatoes throughout the universe! This week only at potato world!”

gimpchrist, w After 30 years, I'm finally going to see a total solar eclipse. Also, Potato World is a thing.
@gimpchrist@lemmy.world avatar

Hello from someone who lives in New brunswick! Small world

Kichae,

You’ve had Potato World all this time, and you didn’t share it with your neighbours??!?

zammy95,

I feel like no one else in the comments cares. I’m so VERY interested in Potato World.

I mean, not as much as in the eclipse, but still VERY interested.

Kichae,

Right??!?

And it’s a pretty big place, all things considered. But it’s seemingly only open from September to mid-October.

gimpchrist,
@gimpchrist@lemmy.world avatar

That seems like a reasonably potato filled kind of time down here in Canada

gimpchrist,
@gimpchrist@lemmy.world avatar

I honestly had no idea, I figured potato world is just what we called Pei

Blackmist, w [Eric Berger] Seeing this eclipse is probably the highest-reward, lowest-effort thing one can do in life

I actually looked up when the next total eclipse passes over my house, and the good news is I’ve only got to live to be about 170 years old.

Thorry84, w The mathematically perfect exoplanet system — a great place to search for alien tech

Damn space.com, don’t forget to put some article in between the ads on your site

Shurimal, w What would happen if you moved at the speed of light?

If you somehow got rid of your rest mass to move at the speed of causality, two things would happen: first, you'd experience no time; second, you'd instantly crash into your destination and die in a rather energetic way. That's the neat thing about photons; from a photon's POV time and distance do not exist. A photon, from its POV, is emitted and absorbed at the same time in the same place.

Much more interesting is having rest mass and moving at a high fraction of c: http://gamelab.mit.edu/games/a-slower-speed-of-light/

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