Illustration of the LH 95 stellar nursery — a glowing red hydrogen cloud filled with blue and white newborn stars
Space
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Hubble Snaps a Baby Star Nursery — With 2,500 Stars Growing Inside!

Quick Summary

NASA’s Hubble Space Telescope just shared a breathtaking new photo. It shows a place in space where thousands of stars are being born right now. Scientists are learning brand-new things about how stars grow up.

What Happened?

The photo shows a region called LH 95. It sits inside the Large Magellanic Cloud — a small galaxy that orbits our own Milky Way like a tiny neighbor. Think of the Large Magellanic Cloud as a little cousin galaxy, floating about 160,000 light-years away. That’s so far that the light in this photo left LH 95 before dinosaurs even existed!

In the image, brilliant blue and white stars blaze against a deep crimson cloud of glowing hydrogen gas. NASA compared the scene to fireworks bursting through smoke. The dark streaks you can see are thick ribbons of dust that haven’t been blown away yet.

Here’s the amazing part: LH 95 is home to roughly 2,500 baby stars that are almost ready to fully ignite — but haven’t quite yet. Scientists call them “pre-main-sequence stars.” Picture a campfire that has all the wood in place and is very warm, but the big flame hasn’t started. These stars are at that exact stage. They’re still slowly pulling in gas and dust, slowly getting heavier, until their cores get hot enough to kick off the nuclear reactions that make them true, shining stars.

Scientists made a surprising discovery while studying this region. They thought baby stars stopped growing fairly quickly. But Hubble showed that these stars can keep pulling in material for several million years — much longer than anyone expected. That’s like thinking a baby would stop growing after a year, but finding out it actually keeps growing for a whole decade!

Another cool find: LH 95 doesn’t make all its stars at once. It has several generations of stars living side by side. Some stars there are about 4 million years old. One giant star near the center is about 1 million years younger than its neighbors — a baby among babies. It weighs between 60 and 70 times as much as our own Sun. Stars that heavy burn through their fuel fast, and one day they’ll explode in a spectacular supernova, sending materials into space to help build the next generation of stars.

Hubble has been doing science like this for more than 30 years. It was joined recently by the James Webb Space Telescope, and soon the Nancy Grace Roman Space Telescope will join them too.

Why Does It Matter?

Studying how stars are born helps scientists understand how our own Sun and solar system formed billions of years ago. The same disks of gas and dust that feed growing stars also become the birthplace of planets. Every discovery Hubble makes in LH 95 brings us a little closer to understanding where we came from.

LH 95 is also unusually easy to study. It has less dust blocking the view than most stellar nurseries in our own Milky Way. That gives scientists a clear window onto the entire process of star birth, from the earliest baby stages all the way to fully grown stars.

Big Words

Fun Fact

The biggest star in LH 95 weighs 60 to 70 times more than our Sun. If our Sun were the size of a soccer ball, this star would be as big as a small car!

Think About It

If this stellar nursery has been making stars for millions of years — and is still making them — what might the stars being born there today eventually look like in 5 billion years?

Sources

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