Astronomers Spot a Brand-New Kind of Cosmic Object: A "Black Hole Star"
The News
Using NASA's James Webb Space Telescope, astronomers found a bright red dot from when the universe was very young — and it looks like something no one has ever seen before. They think it's a black hole star: a black hole about 100,000 times the mass of our Sun, hiding inside a puffed-up cocoon of hot gas as big as our whole solar system.
Professor Pip climbed a grassy hilltop just as the stars were beginning to peek out. He set down his little brass telescope and pulled a fluffy pom-pom and a small marble from his lab coat pocket.
"Oh my whiskers, look at THAT," he breathed, pointing at a faint reddish speck between two stars. "Astronomers found a light like that with a very big space telescope — a telescope called James Webb. And they think it isn't a star at all."
Mia squinted through the eyepiece. "It looks like a star. A tiny red one."
"Curiouser and curiouser," said Professor Pip. "Because hiding inside that soft red glow, they think, is something with the strongest pull in the universe. A black hole."
Leo's eyes went as wide as saucers. "A black hole? Isn't that where nothing can escape?"
"Precisely right. A black hole is a place where gravity," Pip whispered the word like a secret, "is so strong that even light can't run away. But this one has done something new — it's wearing a coat."
He held up the marble. "Here is our black hole." Then he wrapped the pom-pom softly around it. "And here is a HUGE cloud of gas around it, as big as our whole solar system. When the black hole gobbles up gas, the cloud heats up and GLOWS." He waggled the fluffy pom-pom in the moonlight. "From very far away, that glowing cocoon looks just like a very unusual star."
"So it's a black hole… in a fluffy blanket!" giggled Mia.
"Exactly right!" Pip clapped his paws. "They call it a black hole star. And here is the truly wonderful part — the light we're seeing left that cocoon about thirteen billion years ago. When we look at it, we're peeking back almost to the beginning of the whole universe."
The three of them lay back on the picnic blanket. High above, the sky was thick with starlight, each pinprick older than the one before.
"Every time we point a telescope somewhere new," Pip said softly, "the sky tells us it has one more surprise. Now I wonder — how many more secrets is it keeping?"
Spark a Conversation
- If light takes billions of years to reach us, are we looking at the past or the present when we see a distant star?
- What would you name a brand-new thing in space if you got to discover one?
- Why do you think a bigger telescope can see things a smaller one can't?