» A space telescope that could protect Earth from asteroids has been stuck in 'NASA mission limbo hell' - but it may finally escape A space telescope that could protect Earth from asteroids has been stuck in 'NASA mission limbo hell' - but it may finally escape Morgan McFall-JohnsenJun 3, 2021, 00:14 IST An artist's concept of an asteroid-hunting space telescope.NASA/JPL-Caltech A future NASA space telescope could help track down 90% of asteroids big enough to crush New York. But efforts to launch such an asteroid observatory have failed to advance for years. Now, NASA's NEO Surveyor mission may finally move forward if it passes a key review in the coming weeks.