ELI5: Explain Like I'm 5

Bipolar nebula

Alright kiddo, let's talk about bipolar nebula! First, do you know what a nebula is? It's a big cloud of gas and dust in space. Bipolar nebula is a kind of nebula that has a special shape. It looks like a snowman or a dumbbell!

The reason it's called bipolar, is because there are two big blobs of gas and dust on either end of the cloud. It's like the nebula has a head and a tail, just like a fish or a tadpole. Scientists think that bipolar nebula looks this way because it's made by a star that is dying.

When a star gets really old, it goes through some big changes. It runs out of fuel and starts to collapse in on itself. This makes the star really hot and bright for a little while. It also blows off a lot of gas and dust in two big streams, like water coming out of a firehose. These streams make the two blobs we talked about earlier.

Eventually the star can't keep going anymore and it dies. It becomes a small, hot star called a white dwarf, and the nebula just floats around in space. Even though it's really big, the bipolar nebula is actually pretty faint, so it's hard to see from Earth. But scientists use special telescopes to study it and learn more about how stars live and die.