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Jupiter pops out in your eastern sky at dusk. As dusk deepens into night, watch for the star Regulus, the brightest in the constellation Leo, to dot the backwards question mark of stars known as "The Sickle."

Jupiter pops out in your eastern sky at dusk. As dusk deepens into night, watch for the star Regulus, the brightest in the constellation Leo, to dot the backwards question mark of stars known as "The Sickle."

Zem,Space

Universe is expanding faster than physics can explain. Astronomers have calculated the most precise measurement of how fast the Universe is expanding and perhaps only dark physics can explain it. Cathal O'Connell reports.

Universe is expanding faster than physics can explain

Universe is expanding faster than physics can explain. Astronomers have calculated the most precise measurement of how fast the Universe is expanding and perhaps only dark physics can explain it. Cathal O'Connell reports.

Galaxy image courtesy NASA Images; Sloan Digital Sky Survey (SDSS) data courtesy SDSS. Image: Nicolle Rager Fuller/Nina McCurdy/NASA/JPL-Caltech/M. Tegmark & the SDSS Collaboration, via Astronomy - Stars Planets Galaxies Nebulae

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