A new map released by NASA shows the distribution and intensity of more than 500 separate day and nighttime bolide (fireball) events recorded by U.S. government sensors in the period 1994-2013.
Scott Sheppard and Chadwick Trujillo of Carnegie’s Gemini Observatory present recent observations revealing that main-belt Hygeia-family asteroid 62412 (2000 SY178) has a tail.