WONDER #596: What Is a Black Hole?
Question 1 of 3
A black hole forms when a __________ collapses.
Question 2 of 3
When was the first photograph of a black hole taken?
- There has never been a photograph taken of a black hole.
Question 3 of 3
The center of a black hole is called a _____________.
Check your answers online at https://www.wonderopolis.org/wonder/What-Is-a-Black-Hole.