Images from Refurbished Hubble Space Telescope
(NASA, ESA, and the Hubble SM4 ERO Team)
NASA's Hubble Space Telescope snapped this panoramic view of a colorful assortment of 100,000 stars residing in the crowded core of a giant star cluster.
Researcher believes it is key ingredient to Universe.
Researchers look at water droplets and chemical reactions.
Researcher studies children's unstructured playtime.
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