Monday 21 August 2017

Out There: A Reverie for the Voyager Probes, Humanity’s Calling Cards

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Launched 40 years ago, the spacecraft have sailed beyond the solar system, artifacts of a civilization that may be gone before they’re found.
via New York Times

A Total Solar Eclipse Leaves a Nation in Awe

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A total eclipse that crossed the sky from Oregon to South Carolina brought out throngs of spectators, who exulted in seeing the midday sky go briefly dark.
via New York Times

Missed the Solar Eclipse? You’ll Have Another Chance in 7 Years

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On April 8, 2024, a total solar eclipse will traverse the United States from Texas to Maine. After that, your next shot won’t be until 2045.
via New York Times

Analysis of a 'rusty' lunar rock suggests the moon's interior is dry

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The moon is likely very dry in its interior according to a new study analyzing fragments of the 'Rusty Rock,' a rock collected from the moon's surface during the Apollo 16 mission in 1972.
via Science Daily
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No, Seriously, Don’t Look at the Eclipse Without Special Glasses

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Here’s how to ensure the eyeglasses you obtained will offer adequate protection before you look at the solar eclipse.
via New York Times

Scientists create 'diamond rain' that forms in the interior of icy giant planets

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In an experiment designed to mimic the conditions deep inside the icy giant planets of our solar system, scientists were able to observe 'diamond rain' for the first time as it formed in high-pressure conditions. Extremely high pressure squeezes hydrogen and carbon found in the interior of these planets to form solid diamonds that sink slowly down further into the interior.
via Science Daily
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Milky Way over Chilean Volcanoes

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Sometimes, the sky mimics the ground. Taken in 2017 May from the Atacama Desert in Chile, the foreground of the featured image encompasses the dipping edge of the caldera of an extinct volcano. Poetically echoing the dip below is the arch of our Milky Way Galaxy above. Many famous icons dot this southern nighttime vista, including the center of our Milky Way Galaxy on the far left, the bright orange star Antares also on the left, the constellation of the Southern Cross near the top of the arch, and the red-glowing Gum Nebula on the far right. Just above the horizon and splitting two distant volcanic peaks near the image center is the Large Magellanic Cloud -- the largest satellite galaxy of the Milky Way.

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Before the eclipse

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The Sun as seen by SOHO and Proba-2 as astronomers prepare for today’s total solar eclipse
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2017/08/The_Sun_21_August_2017