Comet sunrise

Some extrasolar planets very near their stars experience significant gas loss through photoevaporation. This creates a long tail of plasma trailing away from the star much like the tail of a comet.

Here we see a view from the surface of a planet at dawn, situated in a system where the innermost planet is exhibiting this phenomenon. A super-Earth brightly lit by its nearby sun, it appears in the sky brighter than any object in ours save the Moon, with a comet-like tail which dominates the sky just before sunrise and after sunset, alternating between dusk and dawn every few days as it follows its frenetic and scorching orbit around the star.