astronomy

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JadenSmith, w Size Comparison: Pluto and Australia

What is Pluto doing so close to Australia?

That shouldn’t be allowed. Someone tell it to go back to it’s usual orbit, this is not on.

makyo,

You didn’t know they had a thing? It lasted until Australia found out Pluto wasn’t really a planet.

Agent641,

Fuck off Pluto, we’re full!

edgemaster72,
@edgemaster72@lemmy.world avatar

It’s their payback for that whole “clears its orbit” business.

intensely_human,

They’re using it to cool up Australia

GlassHalfHopeful, w Size Comparison: Pluto and Australia
@GlassHalfHopeful@lemmy.ca avatar

Honestly never had a clue. Thanks for the share.

Zier, w Size Comparison: Pluto and Australia
@Zier@fedia.io avatar

As a former Plutonian, I can confirm it's small, that's why we immigrated to Earth. And fucking cold!

samus12345,
@samus12345@lemmy.world avatar
Zier,
@Zier@fedia.io avatar

Stop posting pictures of my family, they are very shy!!!

Numenor, w Size Comparison: Pluto and Australia

Do it.

CM400, w Size Comparison: Pluto and Australia

Wow, Pluto has approximately the same surface area as Russia

HootinNHollerin,

And now putin starts pumping out propaganda that pluto used to be russian

intensely_human, w Size Comparison: Pluto and Australia

That’s an avocado pit and you know it

mindbleach, w Size Comparison: Pluto and Australia

The Alice Springs Pluto Observatory has opened considerably under-budget.

cosmicrose, w Size Comparison: Pluto and Australia
@cosmicrose@lemmy.world avatar

This picture is inaccurate, Pluto is actually much farther away.

mindbleach,

Telephoto shot, using a 1e50 mm lens.

Swedneck,
@Swedneck@discuss.tchncs.de avatar

if anyone wants to do the math, how far away from the sun would the camera have needed to be to take such a photo?

mindbleach,

Apparent scale is inverse linear, i.e., proportional to 1 / distance. If we want the apparent scale of two objects to be about 90% accurate to their actual relative scale, their relative distances to the camera can’t be more than 10% different. Pluto being 40-ish astronomical from Earth, you’d want to shoot from about 400 AU. Voyager I should be in prime position circa 2140.

lolcatnip,

Probably not necessary to use a lens so long it can reach distant galaxies!

sirico,
@sirico@feddit.uk avatar
some_guy, w Size Comparison: Pluto and Australia

No shit? Wow, it’s amazing that we were even able to find it.

troyunrau,
@troyunrau@lemmy.ca avatar

Even more amazing that it was found in the era it was. People were pouring over the skies looking for the next big planet, and instead they found this little guy.

There are still some orbital dynamics suggestions that something large and dark is lurking out there – an ice giant. But it’s still largely conjecture. It’d be interesting to see how they define it should they find something very large (say Neptune mass), but it hasn’t cleared its orbit. Is it a planet or not? :D

lugal,

Actually 🤓 it was James Cook who found Australia and he didn’t go there by ski but by ship and he didn’t find one little guy but exterminated a whole indigenous population

troyunrau,
@troyunrau@lemmy.ca avatar

Ah shit, a switcheroo!

Buddahriffic,

They only found it because it’s more like a binary dwarf planet system than a planet/moon system, so the telescopes were able to pick up light reflected from both Pluto and Charron, while Pluto alone might have not been bright enough.

x4740N, w Size Comparison: Pluto and Australia

Pluto is still a sphere, this is an unfair comparison because Pluto hasn’t been unwrapped

UnderpantsWeevil,
@UnderpantsWeevil@lemmy.world avatar

It’s actually 4π*(0.5*(length-of-australia))^2 bigger than that.

doctordevice,

Fun fact: the surface area of Pluto is only about 4% larger than Russia.

RandomVideos,

So thats why Russia wanted to expand

NigelFrobisher,

Pluto unboxing video.

troyunrau, w Size Comparison: Pluto and Australia
@troyunrau@lemmy.ca avatar
UnderpantsWeevil, w Size Comparison: Pluto and Australia
@UnderpantsWeevil@lemmy.world avatar

First they came for Pluto’s planethood.

Next they’re coming for Australia’s continenthood.

lugal,

When they came for Pluto, I said nothing because I wasn’t a planet
When they came for Australia, I said nothing because I wasn’t a continent
When they came for Bielefeld, I said nothing because I wasn’t a city
When they came for me, there was no one left to say anything

– Martin Niemöller

Burn_The_Right, w Size Comparison: Pluto and Australia

So… Does this mean Australia is no longer a continent?

Murdoc,

Dwarf continent

Buddahriffic,

If that photo was taken right before impact, none of the continents will remain continents because it’s all about to melt and we might have another moon when everything settles down and we evolve back from scratch over the next several billion years.

Burn_The_Right,

The only survivors would be Australia’s infamous Magma Spiders.

P00ptart,

Just in time to get baked by the sun!

lolcatnip,

Or does it mean Australia is a planet?

Burn_The_Right,

I’m sure the rest of the world would agree!

jol,

Australia would have to round up its edges and clear it’s orbit of little islands before being called a planet.

Iheartcheese,
@Iheartcheese@lemmy.world avatar

Mostly just a cunt

faceula,

Sand Mass?

Landless2029,

Seems like it amounts to a gas giant down under.

Zozano,
@Zozano@lemy.lol avatar

It never was. The concept of Australis is part of spherical world order.

Do you really think a Platypus is a real animal? A mammal that let’s eggs and has bioluminescent fur. Get the fuck outta here.

Dudewitbow, w Size Comparison: Pluto and Australia

introscene for the next mecha anime confirmed

abcd, w Size Comparison: Pluto and Australia

Is Neil deGrasse Tyson hiding somewhere in Australia?!

Zozano,
@Zozano@lemy.lol avatar

I saw him in my mates house the other day kissing a mirror? He said he is the only person he can kiss in the mirror or something.

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