EarthSky News - Oct 1 - October Planets, Lost Continent

October 1 October Planets, Lost Continent by:

October guide to the bright planets  A lone planet - Saturn - is easily seen at nightfall. Mars and Venus are up before dawn. Mercury and Jupiter can't be seen easily; they're in the sun's glare. Drilling reveals secrets of lost continent Zealandia Scientists have just returned from a major expedition to Zealandia, a hidden Earth continent, likely submerged beneath the sea surface more than 80 million years ago. New Horizons' discoveries keep coming New ScienceCast video on recent results from New Horizons spacecraft data. Landslides on Charon. Possible snow on Pluto. Plus a preview of New Horizons' next target. Star of the week: Gamma Cephei, future Pole Star Gamma Cephei will someday be a Pole Star for Earth.

EarthSky t-shirt's are back EarthSky is happy to announce our latest initiative EarthSky Cares. A percentage of proceeds collected through this sale will be donated to select organizations. Click here to help us make a difference in our world today!

Can you find the Big Dipper? From latitudes 41 degrees N. and below, the Big Dipper is below your horizon each evening now. Want to see it? Look before dawn, when the Big Dipper is ascending in the northeast.

Minnesota northern lights Judy Allen captured this image on September 28. She wrote, “Northern lights early this morning in southwestern Minnesota! It was an awesome show!” Submit your photo to EarthSky here!

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EarthSky News - Sept 30 - Top Stories This Week

September 30 Top Stories This Week by:

Giant iceberg on the move There's a cool animation showing this iceberg's drift away from Antarctica’s Larsen C ice shelf here. Fast radio bursts firing every second? New theoretical work indicates at least 1 fast radio burst, or FRB, going off somewhere each second. How fast is our universe expanding? New video about the controversial Hubble Constant - key to knowing the age of our universe and much more. Is the Milky Way a normal galaxy? Astronomers use knowledge of our Milky Way to understand the rest of the universe. But is the Milky Way typical? Did dino-killing asteroid speed bird evolution? Study suggests the asteroid that wiped out the dinosaurs increased the pace of evolution in their only remaining descendants - birds. Passing spacecraft snaps Earth pics The OSIRIS-REx spacecraft received a gravity boost from Earth on September 22, in the process creating this new Earth portrait. Why don’t poison frogs poison themselves?    Scientists are a step closer to resolving this head-scratcher.  Moon's near side is its dark side Believe it or not, the moon's near side is its dark side, thanks to a collection of low-lying lunar plains, solidified remnants of ancient seas of molten magma.

EarthSky t-shirt's are back EarthSky is happy to announce our latest initiative EarthSky Cares. A percentage of proceeds collected through this sale will be donated to select organizations. Click here to help us make a difference in our world today!

Autumn arrives in Colorado Hello autumn! Manish Mamtani captured this aerial view on September 24, 2017 - two days after the September equinox. Do you have a photo of autumn's arrival this year at your location? Or ... Southern Hemisphere spring? Submit your photo here.

Near side of the moon In terms of reflectivity, the moon’s near side is its darker side, because of the dark low-lying plains, or maria, on this side. See if you can make out the dark areas on tonight’s waxing gibbous moon. Submit your photo to EarthSky here!

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