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Solar System
Sep 9, 2019

September 6, 2019. The points of contact in Section 5 of C.3 Solar System Workings has been updated since it was first released. New text is in bold...
Sep 11, 2019

What energizes the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows...
Universe
Sep 11, 2019

Management Plan for Large Mission Concept Studies - UPDATED February 11, 2019 Terms of Reference for the Large Mission Concepts...
Earth
Sep 13, 2019

In the Davis Mountains of far west Texas, at the University of Texas McDonald Observatory, astronomers spend their nights peering at the stars...
Sep 21, 2019

Framing a bright emission region, this telescopic view looks out across a pretty field of stars along the plane of our Milky Way Galaxy,...
Sep 22, 2019

What do you see when you look into this sky? In the center, in the dark, do you see a night sky filled with stars? Do you see a sunset to...
Sep 29, 2019

Do you see the hourglass shape -- or does it see you? If you can picture it, the rings of MyCn 18 trace the outline of an hourglass --...
Dec 6, 2019

This cosmic vista stretches almost 20 degrees from top to bottom, across the dusty constellation Taurus. It begins at the Pleiades and ends...
Dec 10, 2019

What are those streaks over the horizon? New Starlink satellites reflecting sunlight. SpaceX launched 60 Starlink communication satellites...
Dec 11, 2019

What has this supernova left behind? As little as 2,000 years ago, light from a massive stellar explosion in the Large Magellanic Cloud (...

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