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The Week in Pictures: August 3–9, 2013

In the past seven days, scientists uncovered the source of the Magellanic Stream, astronomers imaged lowest-mass exoplanets around a Sun-like star, Hubble witnessed a previously unobserved stellar blast called a kilonova after two stellar corpses merged, and more.
RELATED TOPICS: EXOPLANETS | HUBBLE OPTICS | GALAXIES
D. Nidever, et al./NRAO/AUI/NSF/A. Mellinger/Leiden-Argentine-Bonn (LAB) Survey/Parkes Observatory/Westerbork Observatory/Arecibo Observatory

Hubble Space Telescope finds source of Magellanic Stream

New observations reveal most of the gas was stripped from the Small Magellanic Cloud about 2 billion years ago, and a second region of the stream originated more recently from the Large Magellanic Cloud. Learn more »
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