Sunday, May 5, 2019

May 5 - Light Sail Update 🚀⛵️

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NASA to fund research on advanced solar sails
Solar sails - aka light sails - use faint pressure from sunlight to propel a spacecraft forward. A next-generation solar sail might be made of metamaterials, or smart materials. Read more.
Today in science: 1st American in space  
Alan Shepard's suborbital flight on May 5, 1961, took place just 3 weeks after the Soviet Union's Yuri Gagarin orbited Earth once. Read more.
Are you a May baby? Here’s your birthstone
If you were born in the month of May, your birthstone is the emerald. Read more.
What we're reading

A piece of human history, discovered in a Tibetan cave
From The Atlantic … Have you heard of the the Denisovans? They're an ancient sister species to to Homo sapiens and Neanderthals, but far more mysterious. Today, people across East Asia have traces of Denisovan DNA in their genes. This week, scientists announced finding a jawbone in a cave on the Tibetan plateau that's revealed new details about the Denisovans' appearance and lifestyle. Read more.
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Watch for Eta Aquariid meteors Monday morning
The shower's peak was likely Sunday before dawn, but you might catch some meteors on Monday, too. Colin Legg at Mount Augustus National Park in Western Australia caught these meteors last night. This image is a composite of 5 frames. Colin wrote: "Hello from Mt Augustus.  Thought I'd post last nights Eta Aquarids collection. In total I captured 8 meteors pointing south and 12 facing east @ 14 mm." Thanks, Colin!
Sunset on Mars
NASA's InSight lander camera captured this sunset on Mars on April 25. See more Insight photos of Martian sunrises and sunsets, here.
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