Berlin, Cape Canaveral A look at the clear night sky, especially with binoculars or a telescope, reveals it: so many stars and galaxies! But it’s far too few, cosmologists would say. If they calculate how the universe is developing and put all visible matter into their formulas, it absolutely doesn’t add up. This would not explain the universe as we see it today.
The math only works out when they add far larger amounts of invisible ingredients: dark matter and dark energy. The names are arbitrary because the researchers don’t know exactly what it is.
The space telescope has been in space since Saturday
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