... Why is the sky near Antares and Rho Ophiuchi so colorful? ... And while a leisurely lunar eclipse was clearly in progress, from his vantage point on planet Earth the Moon set as the total phase of the eclipse began. ... The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects, and NGC 6302 is no exception. ... Last week, just before sunrise from the northern hemisphere, two bright comets were visible in the same part of the sky at the same time. ...