Astro-challenge: Following Venus from dusk until dawn
Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...
Vernal equinox marks the emergence of spring
The Earth’s axis is at right angles to the line from sun to Earth, the sun is directly over the equator and the lengths of ...
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Euclid space telescope's 1st results reveal 'a goldmine of data' in search for dark matter and dark energy (images, video)
"Really, Euclid is not only a dark universe detective, it's also a time machine. We will look back 10 billion years in cosmic ...