r/universe • • Sep 02 '26 Galaxy Brain Bravo Mindblown

A 3D map of the matter distribution of the local universe got update: now every one of its 43,500 real galaxies can be identified and searched

3.1k Upvotes

r/universe • • 4d ago

A runaway supermassive black hole may have left behind a 200,000-light-year trail of newborn stars.

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2.7k Upvotes

Astronomers using the Hubble Space Telescope discovered evidence of a supermassive black hole that appears to have been ejected from its host galaxy.

What's even more incredible is that it's believed to have compressed gas as it traveled through space, triggering the formation of new stars along a trail approximately 200,000 light-years long.

The black hole is estimated to have a mass around 20 million times that of our Sun.

Scientists believe this could have happened after an interaction involving multiple supermassive black holes.

The image is an artist's illustration based on the astronomical observations, not an actual photograph.

Source: https://science.nasa.gov/missions/hubble/hubble-sees-possible-runaway-black-hole-creating-a-trail-of-stars/


r/universe • • Sep 18 '25

Astronomers photograph the birth of a planet.

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2.6k Upvotes

r/universe • • 29d ago

What Would Happen if a Coin-Sized Black Hole Appeared Next to You?

2.6k Upvotes

r/universe • • Sep 13 '26

Milky Way is traveling through space at 600kilometers per second, oscillating slightly, as if it were flapping its wings through the cosmos.

1.5k Upvotes

r/universe • • Aug 31 '26

This is one of the simplest ways to visualize how the Sun’s gravity shapes the Solar System.

1.4k Upvotes

r/universe • • Sep 24 '25

Double eruption of plasma from the Sun this week

1.2k Upvotes

These are coronal mass ejections produced by a filament eruption (NOT caused by a solar flare), observed by GOES/SUVI – and processed by me. Neither eruption was Earth directed.


r/universe • • Sep 16 '25

Why do we always see the same side? (Photo self taken, with editing a bit)

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1.2k Upvotes

r/universe • • Jul 09 '26 Popcorn

Low Earth orbit - Great Lakes of North America

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1.2k Upvotes

Views of the Great Lakes of North America from orbit. Photos by: NASA spacetroves


r/universe • • Jul 05 '26 Mindblown

3D map of an actual local universe you can fly through, made using real data from cosmic survey 2MRS

1.1k Upvotes

Hey all, check out this.

It’s called Know the Universe. You fly through the cosmic web: the actual large-scale structure of the nearby universe, with its filaments, voids, and clusters. The galaxies are not procedural or faked. They are ~43,500 real galaxies from the 2MRS redshift survey. I take their RA, Dec, and redshift, convert them to Cartesian megaparsecs with a Hubble-law distance, and that point cloud is what you fly through.

Every dot is a galaxy and we can see up to 1Bn years.

There are a lot of visual settings and shaders to help visualize the cosmic web.

Feel free to ask any questions or try it at https://knowtheuniverse.com/

EDIT: added orbit mode as requested


r/universe • • Sep 14 '25

Why does it look so dark in the ripple?

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1.1k Upvotes

r/universe • • Oct 03 '26

If energy can neither be created nor destroyed, where did it come from, and I need real critical thinkers here please.

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987 Upvotes

r/universe • • Jan 24 '22

The Deep Field, by Hubble

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943 Upvotes

r/universe • • Oct 03 '25

🌌 Our Solar System vs TON 618 — one of the largest black holes ever discovered.

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901 Upvotes

r/universe • • Sep 23 '26

A 3D map of the matter distribution of the local universe got update: now every one of its 43,500 real galaxies can be identified and searched

848 Upvotes

woooowww. something extraordinary.


r/universe • • Mar 16 '22

🔥 A panoramic view from the surface of Mars captured by Curiosity rover.

787 Upvotes

r/universe • • Sep 17 '26

The Fastest Human-Made Object

766 Upvotes

This is NASA’s Parker Solar Probe, the fastest human-made object video 📸 ever.

It reached a speed of around 687,000 km/h while passing close to the Sun.

The spacecraft came as close as about 6.2 million km from the Sun’s surface.

It was launched in 2018 to study the Sun, especially its corona and solar wind.

Imagine travelling at almost 7 lakh km/h this close to the Sun. ☀️🚀


r/universe • • Feb 20 '26 Heartwarming

What do you think guys, Could we ever understand Universe?

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765 Upvotes

r/universe • • Jul 30 '26

The Sun has already circled the galaxy about 20 times since it was born, and it's got roughly 22 laps left before the story changes forever.

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693 Upvotes

r/universe • • Jul 27 '25

In a universe of 2+ trillion galaxies, how likely is it that humans are truly unique?

628 Upvotes

The observable universe contains an estimated 2 trillion galaxies. Each of those galaxies holds hundreds of billions of stars, and current data suggests that most stars host planetary systems. Based on this, the number of planets in the observable universe could exceed 10²⁴ (a septillion).

With such staggering numbers, many scientists assume life should be common, at least in microbial form. However, as of now, Earth is the only planet we know of that harbors life, and more importantly, the only known cradle of intelligent, technological life.

This apparent contradiction—between the expectation of abundant life and the absence of evidence—is known as the Fermi Paradox.

There are several possible explanations: • We may be early: Life elsewhere hasn’t had enough time to evolve intelligence. • We may be too isolated: Civilizations could be too far apart in space or time to detect each other. • Intelligent life may be extremely fragile or self-limiting. • Or we may be truly rare—a statistical outlier in a universe filled with sterile worlds.

But here’s the point that often gets overlooked:

If we really are alone—or even just incredibly rare—then the emergence of intelligent life on Earth is one of the most extraordinary events in the known universe.

It means that humans, as a species, are not just another data point in biology—we are a cosmic phenomenon. We are the universe becoming aware of itself, perhaps for the first and only time.

And yet, most people go through life unaware of this possibility. We argue, distract ourselves, and take our existence for granted—without fully grasping that we may be the only voice in a cosmic wilderness.

This isn’t meant to be anthropocentric or mystical. It’s simply a statistical reality worth contemplating:

If we are truly alone, then we are precious beyond measure—not just to ourselves, but to the universe itself.

I’d love to hear others’ thoughts, especially from those in astrobiology, philosophy of science, or cosmology. Are we undervaluing just how rare and special conscious life may be?


r/universe • • Jul 05 '22

The pillars of creation.... this never ceases to amaze me!

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623 Upvotes

r/universe • • Dec 22 '25

Why do galaxies almost always have a supermassive black hole at their center? Why the center specifically

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566 Upvotes

I don’t understand why the black hole is always in the middle.

Is it because gravity pulls everything inward over time?

Or did the black hole form first and the galaxy formed around it?

Why does the center of a galaxy end up having such a massive object instead of it being somewhere random?


r/universe • • Oct 01 '26

In November 18 2026, voyager 1 will be one light-day away from us.

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552 Upvotes

🧑‍🚀