Remembering Riccardo Giacconi
It is with great sadness that AURA recognizes the passing of Riccardo Giacconi. Giacconi was a highly accomplished astrophysicist and the first permanent Director of the Space Telescope Science Institute ...
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Study shows temporal patterns of meridional flows are precursors of magnetic activity in solar cycle
The figure shows the variation of the meridional flow as slices of time and depth for eight latitudes from mid-latitudes (top) to the equator (bottom) averaged over both hemispheres. The mean value has been subtracted ...
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STScI Visualizations of the Universe Form Heart of New “Deep Field” Film
This visualization of a spectacular spiral galaxy, called the Whirlpool Galaxy, appears in the “Deep Field” film. Based on a 90-megapixel image from the Hubble Space Telescope, the visualization sequence sweeps viewers past the swirling ...
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Tiny Old Star Has Huge Impact
The new discovery is only 14% the size of the Sun and is the new record holder for the star with the smallest complement of heavy elements. It has about the same heavy element proportion ...
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Solar Science Teams Selected for 2019 Eclipse at CTIO
July 2nd 2019 will be a very special day in South America. On that day a total eclipse will travel from west to east across the continent and, in a spectacular stroke of astronomical luck, ...
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Astronomers Find First Evidence of Possible Moon Outside Our Solar System
Our solar system has eight major planets, and nearly 200 moons. Though astronomers have to date found nearly 4,000 planets orbiting other stars, no moons have yet been found. That hasn't been for any lack ...
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