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These features span at least half a million light years, NASA writes, offering insight into how the Coma cluster has matured through mergers of...
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These features span at least half a million light years, NASA writes, offering insight into how the Coma cluster has matured through mergers of...
WASHINGTON – NASA soon will launch its latest ozone-monitoring instrument, which will allow scientists to continue their long-term measurements of global ozone levels. The...
CHANDRA X-RAY OSSERVATORY CENTER, Cambridge, Mass. – Astronomers have shed new light on dark matter, the invisible and unknown material that comprises most of...