art of sun, Mercury and asteroid

‘Twilight telescopes’ are finding ‘city-killer’ asteroids in an unexplored region of our solar system

When it comes to looking for asteroids, we have a blind spot. It may seem counterintuitive, but the most important asteroid discoveries are now being made in twilight, when astronomers are able to look close to the horizon — and close to the sun — for little-known asteroids that orbit inside the orbits of Earth, …

‘Twilight telescopes’ are finding ‘city-killer’ asteroids in an unexplored region of our solar system Read More »