The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck, scientists said Tuesday.

After taking another peek at the "city-killer" asteroid that once had a small but uncomfortable chance of smashing into our planet, astronomers have figured out what it actually looks like: a flat, spinning disk.

A huge asteroid that was briefly feared to strike Earth now has a nearly 4% chance of smashing into the moon, according to new data from the James Webb Space Telescope.