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Hace 19 horas · v. t. e. The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
Hace 2 horas · CONCORD, N.C. (AP) — Kyle Larson spent a year preparing to run the double. Instead, he got to run only a single, leaving the NASCAR star beyond disappointed. Larson’s quest was to complete — if not…
