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Moon sweeps past 4 planets before sunup March 17-20
Enjoy the great sky show in the east before sunrise on March 17, 18, 19 and 20, 2020. The moon will appear as a thinner crescent each morning as it parades by the four morning planets: Jupiter, Mars, Saturn and Mercury.
March 16, 2020
What if super-puff planets have rings?
All 4 of the gas giant planets in our solar system - Jupiter, Saturn, Uranus, and Neptune - are known to have rings. Could many of the so-called super-puff or cotton candy exoplanets have rings instead of super low densities?
March 16, 2020
Social distancing: What it is and why it’s the best tool to fight coronavirus
With no vaccines or treatments, the fight against coronavirus comes down to this behavioral technique. A physician explains how it works.
March 15, 2020
Last quarter moon and planets before sunrise March 16
Look outside before dawn on March 16, 2020 for the last quarter moon. Its illuminated side will be pointing at the planets Jupiter, Mars and Saturn. Some people will catch Mercury, too, shortly before sunrise.
March 15, 2020
Moon and Antares before sunup March 15
Let the moon show you Antares, the red supergiant star, on the morning of March 15, 2020. If your sky is fairly dark, see if you can make out the graceful shape of Antares' constellation - Scorpius the Scorpion - in the moon's glare.
March 14, 2020
See moon, Spica before bedtime March 11
From around the world tonight, use the waning gibbous moon to locate Spica, the brightest star in the constellation Virgo the Maiden.
March 11, 2020
Ancient humans in India survived Toba super-volcano eruption
The Toba super-volcano eruption 74,000 years ago was 5,000 times larger than that of Mount St. Helens. Somehow, ancient human populations in India survived it.
March 10, 2020
Retreat at Pine Island glacier
Pine Island Glacier is one of the fastest-retreating glaciers in Antarctica. Watch the glacier’s ice front retreat and shed some notable icebergs over the past 2 decades.
March 10, 2020
Moon composite
Last month's full moon plus this month's waxing gibbous moon, combined.
March 9, 2020
March full moon is 2nd-closest of 2020’s 3 full supermoons
The whole globe enjoys a full-looking moon on March 8 and 9, 2020. The exact time of full moon falls in daylight on March 9 for clocks in the Americas. It's the 1st supermoon of 2020 and 2nd-closest full moon this year.
March 8, 2020
