astronomy

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Iheartcheese, w Planet Nine: Is the search for this elusive world nearly over?
@Iheartcheese@lemmy.world avatar

Pluto 2 electric boogaloo

Zachariah,
@Zachariah@lemmy.world avatar
alyqz, w Mystery object waits nearly an hour between radio bursts

So maybe a binary system causing the signal to only periodically wobble into earth’s path wile missing for mist of it?

Shdwdrgn, w How Many Holes Does the Universe Have?

I thought the torus shape was the accepted theory? Guess I haven’t been keeping up on this.

Near the bottom of the article they mention that if the universe wasn’t flat, we would see multiple copies of the universe in the sky. I’m not sure that is exactly true? Given the speed at which the universe is expanding, especially during the early period after the big bang, it seems reasonable that the light from most stars wouldn’t have had a chance to loop back around yet. Even the light from the earliest stars is just reaching us, so I don’t know why they think it would have had time to loop back around multiple times, unless there’s something I’m missing?

And nothing in the article really touched on the “holes” mentioned in the title. Are they referring to the center of a torus, which isn’t really a hole that we could observe? I don’t get it.

maculata, w How Many Holes Does the Universe Have?

A thousand holes in Blackburn, Lancashire.

anarchoilluminati, w First proof that “plunging regions” exist around black holes in space | University of Oxford
@anarchoilluminati@hexbear.net avatar

That picture goes hard.

deegeese, w Why does Jupiter rotate so fast?

AI generated trash

Bob_Robertson_IX, w Vera Rubin's Primary Mirror Gets its First Reflective Coating

What a great article! Very informative and easy to read.

The telescope sounds cool too! An 8.5 meter mirror?! And it’s designed to be able to recoat it over time!

Holyhandgrenade, w NASA officially greenlights $3.35 billion mission to Saturn’s moon Titan
@Holyhandgrenade@lemmy.world avatar

One step closer to ornithopters becoming real

chocosoldier,
  1. ornithopters are already real
  2. the machine in the article image is not one.
very_well_lost, w The great commercial takeover of low Earth orbit

Looks like the article is paywalled… anyone got a mirror?

14th_cylon,
SaintWacko, w After 30 years, I'm finally going to see a total solar eclipse. Also, Potato World is a thing.

I’m camping in the middle of nowhere southeast Oklahoma, praying this cloud cover lifts in time

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

Unrelated, but I just wanted to say that rotating Mars icon for the channel looks pretty slick.

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

Store the memory of this wonderful milestone in your life where you can reflect on a life well spent and be embedded in the feeling of belonging to a loving family. That shit is GOLD and will protect your mental health like a Patronus Charm from Harry Potter.

GammaGames, w Fake Vs Counterfeit Eclipse Glasses. Did You Get Any?

Pretty much every gas station I’ve been to the past week had a box of glasses

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

I can imagine the traffic jams anywhere along the path of totality. It’s gonna be a mess. We already booked a place in the path, but it’s in the sticks and I’m not looking forward to the lengthy drive back to civilization.

electric_nan, w The US government seems serious about developing a lunar economy

Develop the fucking US economy.

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