资讯

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets ...
While a quick trip to Pluto would be a technological milestone, the fastest man-made object ever, NASA’s Parker Solar Probe, can only travel about 400,000 miles per hour, or 0.06% the speed of ...
The distance from Earth to Pluto is 4.67 billion miles. The average passenger aircraft travels at 575 miles per hour. That means it would take more than 8 million hours to reach the planet ...
The world is a fascinating place, and it's full of weird and interesting facts that you might have ... Source: Reddit/david1324p From when Pluto was discovered in 1930 to when it was declassified ...