Firefly Sparkle Galaxy Offers a Taste of Infant Milky Way

That's the Andromeda galaxy, our closest galactic neighbor, and in 4 billion years, it will collide with the Milky Way, ...
We know that interstellar objects occasionally visit our solar system. So far, we have only discovered two interstellar ...
NASA astronauts on the ISS share images of our home galaxy, the Milky Way. It can be hard to see from Earth, but the view ...
A black hole is a region in space where gravity is so strong that nothing—not even light—can escape from it. At the center of ...
Firefly Sparkle is among the earliest galaxies humans have observed, which formed merely some 600 million years after the Big ...
minute work from 2009 – of which just a fraction was used in a movie soundtrack – was rescued from his vault following his ...
"Our reconstruction shows that clumps of actively forming stars are surrounded by diffuse light from other unresolved stars," ...
The Firefly Sparkle galaxy is so named because it resembles a "sparkle" or swarm of lightning bugs on a warm summer night.
Sometimes in astronomy, a simple question has a difficult answer. One such question is this: what is the mass of our galaxy?