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Nothing beats a bright and beautiful "supermoon." Except maybe, three supermoons! 2016 ends with a trio of full moons at their closest points to Earth.
Mars and Saturn are getting together in the constellation Scorpius for back-to-back oppositions in May and June 2016.
Earth is about to lap Mars and then Saturn in their race around the sun. The two planets have gathered together in the constellation Scorpius where they are shining brightly in the evening sky with Mars gleaming burnt orange and Saturn golden yellow.
It’s thought that standing near a cow for any period of time will reveal that … methane stinks.
While methane is actually odorless and colorless, to many researchers, methane is sweet. To exobiologists, it is the aroma of life. To planetary scientists, it is a greenhouse gas and a key ingredient of atmospheres on a variety of worlds. On Mars, it is a scientific bonanza.
NASA is sniffing out the sweet smell of methane on Earth, Mars and beyond. It's a greenhouse gas and, in some places, possibly a sign of life.