Saturn's moon Titan has lakes and seas, filled with liquid ethane and methane. But they might not be the best places to look for life, according to new research.
Right now, the planets Venus and Jupiter - and the Big Dipper - can help you learn the sky mnemonic follow the arc to Arcturus and drive a spike to Spica.
There are primary and secondary rainbows in the sky here (the 2 outside bows; note their colors are reversed). The 3rd bow (the inner one) is called a reflection rainbow. Read about it here. Beverly Ulfig caught this rare rainbow with an iPhone 6.
Identify the star Spica between the brilliant planets Venus and Jupiter. Arcturus is also nearby. Then use your identification to confirm the handy skywatching phrase follow the arc to Arcturus and drive a spike to Spica. After that, for years to come - long after Venus and Jupiter are gone - you can always find these stars.
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