It's 99 percent dark matter, a new study explains.
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Newly Discovered Galaxy From 8.5 Billion Years Ago Offers Rare Look at Early Cosmic Evolution
A newly discovered galaxy with glowing star-filled "tentacles" is rewriting parts of cosmic history.
Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.
A tight clump of four star clusters sits in the Perseus galaxy cluster, and at first glance it looks like nothing special. No ...
Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass.
According to researchers, approximately 99 percent of this galaxy's total mass is dark matter.
Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...
NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, revealing a red supergiant star before explosion.
A rare jellyfish-like galaxy discovered by the James Webb Space Telescope challenges what science knew about early galactic evolution.
When you gaze up at the night sky, you’re looking back in time. Light from the stars takes years, sometimes millennia, to ...
Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.
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