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Researchers create a map to finally explore the universe’s mysterious ‘dark energy’
DESI is located located at Kitt Peak National Observatory (KPNO ... While gravitational attraction and the different kinds of matter slow down expansion, dark energy does the opposite – it ...
Tucson, Arizona Just Introduced a New ‘Astro Trail'
Tucson's new ‘Astro Trail' is a collection of national parks, state parks, observatories, and planetariums, that offer a ...
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The Spectrum of the Night Sky over Mount Hopkins and Kitt Peak: Changes after a Decade
Kitt Peak and Mount Hopkins, is compared to similar data obtained in 1988 at each site. The current zenith sky brightness in the range ∼3700–6700 Šis essentially identical at the two sites and is as ...