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1st known interstellar visitor 'Oumuamua is an 'exo-Pluto' — a completely new class of object, scientists say

September 9, 2025
The first interstellar object to visit the solar system may have been a fragment of an icy exoplanet, research suggests. When 1I/’Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But although it was initially classified as a comet from another star system, it may actually be the skin of an “exo-Pluto,” a completely…
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What time is today's blood moon total lunar eclipse?

September 8, 2025
A total lunar eclipse will occur overnight on Sunday (Sept. 7) into the early hours of Monday (Sept. 8), creating a striking red ‘blood moon’ for skywatchers across Asia, Western Australia and Europe. The September lunar eclipse will reach its maximum phase, when the moon is fully immersed in Earth’s dark umbral shadow, at 5:11 p.m. EDT (21:11 GMT) on Sept. 7. Totality, the…
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Where to see the blood moon lunar eclipse Sept. 7–8

September 5, 2025
The second total lunar eclipse of 2025 will transform the full moon into a coppery-red “blood moon” on the night of Sept. 7–8. This long-lasting, impressive eclipse is visible to billions worldwide, but exactly what you’ll see depends on where you’re watching it from. You can keep up with the latest lunar eclipse news with our total lunar eclipse live blog. We’ll…
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Which is the best home planetarium? We pit three of our favorites against one other

September 4, 2025
If you’re considering a home planetarium, you’ll want to check this out. We’ve tested and compared three of the best on the market so you can see what’s different, what makes them stand out and more importantly, which one is right for you. You may have seen some of the best star projectors on the market, and you may have seen some of the best star projectors for kids and…
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