Jan 19 - Record Warmth in 2017

January 19 Record Warmth in 2017 by:

2017 was record-setting for warmth NASA says 2nd-warmest year on record. NOAA says 3rd-warmest. Their methodologies differ slightly, but - by both standards - the past 4 years are the hottest yet recorded. Saturn moon Titan has a sea level A new topographic map of Titan, plus a new study showing that Saturn's seas lie at an average elevation - a sea level - just as Earth's do. Tonight … Sirius, future South pole star The Northern Hemisphere has a bright pole star, but the Southern Hemisphere doesn't … for now.  Is Arctic warming behind year's crazy winter weather? An atmospheric scientist who studies the Arctic explains why – because of global warming – the U.S. may be in for longer cold spells in the winter.

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Sirius, future South Pole Star Sirius - aka the Dog Star - is easily viewed from across Earth. It'll come to within 1.6 degrees of the south celestial pole in the year 66270.

Where's the moon? Waxing crescent The young moon is back, waxing toward a lunar eclipse on January 31. For now, look west after sunset to see the young moon. Judy Lundquist in Lawrenceburg, Kentucky caught last night's young moon with earthshine. She wrote: "After days of overcast and snow, we finally got a clear sun and moonset!" See more photos. Submit your photo to EarthSky here!

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