Polar regions are magnets for explorers. By the year 1926, Earth's North and South poles had received their first human visitors. Since then, mankind has investigated the tops — and the bottoms — of numerous other worlds across our solar system. Thanks to satellite footage, we now know that there are deep craters near the lunar poles whose bottoms have been shrouded in darkness for billions of years. And over on Mars, the north pole is flanked by a swath of dune fields that's big enough to smother Texas.
Other environments aren't as well-documented. Thus far, nobody has managed to snap a picture of our sun's northern pole. Yet the European Space Agency (ESA) recently did the next-best thing. On Dec. 3, 2018, a spectacular image was uploaded to their website. Using data from existing photographs, the organization painstakingly created a digital reconstruction of that blazing frontier, the solar north pole.