Asteroid's odds of hitting Earth go up as Webb telescope is tasked with studying potential "city-killer"
Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of hitting Earth in 2032.
Webb telescope has a new mission: surveillance of a threatening asteroid
The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...