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5
Astronomy - - (+4|-0)
Did we just find a Primordial Black Hole? (10:15)(www.youtube.com)
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4
Astronomy - - (+3|-0)
Solar cycle 25 - Started December 2019, ending most likely in 2030(grokipedia.com)
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3
Astronomy - - (+2|-0)
Solar maximum(grokipedia.com)
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3
Astronomy - - (+2|-0)
Sunspots - What are they?(grokipedia.com)
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6
Astronomy - - (+5|-0)
100-hour-long exposure: ESA releases the sharpest image of the Ultra Deep Field(www.notebookcheck.net)
commentbyobiedge
1
Astronomy - - (+0|-0)
South America's $1BN Desert Megaproject (14:17) ~ The B1M(www.youtube.com)
commentbyJasonCarswell
1
Astronomy - - (+0|-0)
Amazing Hubble telescope photo shows space 'sword' piercing huge celestial 'heart'(www.livescience.com)
commentbywalt