Asteroid 2024 YR4, detected by telescopes on ... The biggest obstacle astronomers face when trying to determine the risk posed by newly discovered asteroids is calculating the unknowns.

Asteroid 2024 YR4, detected by telescopes on ... The biggest obstacle astronomers face when trying to determine the risk posed by newly discovered asteroids is calculating the unknowns.

Asteroid 2024 YR4, deemed the riskiest asteroid ... it poses no risk to Earth within this century.The biggest obstacle astronomers face when trying to determine the risk posed by newly discovered ...