M82, a galaxy that is a factory for exploding stars, loops high across the northern sky tonight. It stands to the upper left of the bowl of the Big Dipper as darkness falls. M82’s most recent supernova blasted into view four years ago.
M82, a galaxy that is a factory for exploding stars, loops high across the northern sky tonight. It stands to the upper left of the bowl of the Big Dipper as darkness falls. M82’s most recent supernova blasted into view four years ago.