3 points

So this isn’t a joke? Wouldn’t that make the universe 46.5B years old? Very big bang.

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2 points

The observed objects 46.5 giga ly away are about the same age as the age of the universe, but they have gotten further away from us in the time since they emitted the photons we’re now observing.

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2 points

You have to start somewhere.

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7 points
*

We’re really just photographers right now.

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11 points

With a spaceship which reach a huge percent of lightspeed, the occupants can reach in short time many of the exoplanets in the Milky Way, only for the observer on Earth it last thousends of years. But this isn’t important, after the rich people in the Spaceship had destroyed the Earth.

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3 points

Probably a little heavy for a meme community, but why do images rendered of the observable universe appear symmetrical?

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7 points

Not an expert, but an enthusiast. The universe can typically be considered homogeneous and isotropic on a large scale (it looks the same in all areas, and also looks similar no matter which direction you happen to be looking) for the sake of understanding and performing physical calculations. The beach may also be considered homogeneous and isototropic, but we know that if we dig down, we’ll find interesting materials, organisms, and even various grades of sand (for context).

The universe is roughly symmetrical even though there are structures and features of great complexity when you look close enough (such as atoms, you, me, horses, and icebergs). This is probably because the universe originated from a single infinitely dense point where there wasn’t room for much diversity or clumping of matter. As the universe expanded, random quantum fluctuations and coalescence, perhaps due to gravity and the various electrical and atomic forces, is to thank for the formation of elements, stars, and galaxies, over the last 14 billion years (or however old the Universe is supposed to be).

Anyways. It’s represented as symmetrical because it’s convenient and true on a large scale, but its always more complicated the deeper you look.

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2 points

The symmetry is the interesting part. It’s Earth-centric symmetry. I don’t know if it’s a failure on the artist’s part, but the age appears to increase equally in all directions from the center point of the field. That’s why the question. One would think that it would be uneven, no “center”.

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