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A pair of dwarf planets lurking in the outer reaches of the solar system could still be geologically active, increasing the chances that they could support alien life , a new study suggests. The findings could also change what we know about dwarf planets in general. There are five confirmed dwarf planets in the solar system: Ceres , Haumea, Eris, Makemake and the ex-planet Pluto . All of these planetary pretenders, apart from Ceres, are located in or around the Kuiper Belt, a disk of comets and other small objects beyond the orbit of Neptune . In 2015, NASA's New Horizons probe passed Pluto and spotted signs of recent geological activity in the dwarf planet's thinning atmosphere . Follow-up observations have shown that Pluto is covered in giant, icy volcanoes , which may still be active . Scientists believe that Pluto's surprising geological activity is caused by interactions with its moon Charon. As a result, they thought it was unlikely for other dwarf planets w...

Telescopes are great for exploring space, but there's no way should you be pointing one of them at the sun unless you have a solar filter — and as luck would have it, Unistellar is offering a solar filter worth a whopping $249 for free if you buy one of the company's smart telescopes.  This is a great time to get your hands on a solar filter as we get closer to the 8 April total solar eclipse , which will briefly plunge parts of the United States into darkness. This deal ends on March 3, so you have a bit of time to think about it — and telescopes are a big purchase — but with the eclipse fast approaching, it may be worth getting your hands on the kit sooner rather than later. That way, there's time to learn how to use the telescope properly before the big day.   Buy a Unistellar tellescope and you'll get a free Smart Solar Filter, worth up to $249 . View Deal Unistellar has an excellent lineup of telescopes — we previously called the Unistellar ...