Unknown structure from 300 million light-years away is pulling our galaxy towards it
Published on Jul 27, 2025 at 10:07 PM (UTC+4)
by Molly Davidson
Last updated on Jul 24, 2025 at 3:29 PM (UTC+4)
Edited by
Emma Matthews
The Great Attractor – that’s what astronomers are calling the unknown structure pulling our galaxy through space.
The Milky Way isn’t just spinning – it’s moving. Fast. Like, 1.3 million mph fast.
And we’re not the only ones. Around 400 galaxies are cruising in the same direction, all heading toward the same mysterious patch of sky.
We can’t see what’s there. But whatever it is, it’s massive – and it’s got a grip on us.
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An unknown structure known as the Great Attractor is pulling our galaxy off-map
The first clue that a strange, unknown structure was out there?
Astronomers noticed galaxies weren’t just expanding outward with the universe – they were drifting sideways. Toward something off-map.
The direction pointed straight into a cosmic no-go zone – the Zone of Avoidance.
It’s not scary, just annoyingly inconvenient.
That region is buried behind our own galaxy’s thickest dust and star fields. Think galactic fog. Even Hubble can’t see through it properly.

But the motion is real.
Everything in our patch of the universe, including the Milky Way, is being dragged toward it over 370 miles per second.
The force needed to move that much mass? Staggering.
Astronomers dug deeper – literally – using radio and infrared telescopes to cut through the dust. They spotted more than 800 previously unseen galaxies tucked behind the Milky Way.
But even that wasn’t enough to explain the pull. Which means we’re still in the dark.
One working theory: we’re part of a larger gravitational structure.
In 2014, scientists discovered our galaxy is part of a much larger unknown structure – a supercluster of around 100,000 galaxies.

They named it Laniakea – Hawaiian for ‘immeasurable heaven.’
At its center lies a gravitational hotspot – the Great Attractor.
But here’s the weird bit: it’s probably not a single object.
It’s a dense intersection of mass – galaxies, dark matter, and cosmic oddities – dragging us in.
Think of it as a cosmic sinkhole.
A mystery we may never solve
So what happens next? Do we eventually get there? Do we hit the edge of this invisible force and find something even stranger?
Probably not.
Because while this structure is pulling us in, the rest of the universe is pulling away.
Thanks to dark energy and the expanding universe, every galaxy is also accelerating outward.
In the long run, that means even the Great Attractor’s pull will lose its grip. Galaxies will drift apart, and that whole dense region? Eventually unreachable.

That said, the mystery isn’t unsolvable.
Future instruments – like the Square Kilometre Array, a mega radio telescope being built in South Africa and Australia – are specifically designed to peer into the dark.
And maybe, just maybe, they’ll finally show us what’s behind the curtain.
Until then, we’re just passengers in a speeding galaxy, headed somewhere we can’t see, being pulled by something we don’t understand.
And honestly? That’s kind of beautiful.
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Molly Davidson is a Junior Content Writer at Supercar Blondie. Based in Melbourne, she holds a double Bachelor’s degree in Arts/Law from Swinburne University and a Master’s of Writing and Publishing from RMIT. Molly has contributed to a range of magazines and journals, developing a strong interest in lifestyle and car news content. When she’s not writing, she’s spending quality time with her rescue English staffy, Boof.