Scientists have finally unraveled the mystery behind Pluto’s iconic heart-shaped region, known as Tombaugh Regio. Using advanced simulations and data from NASA’s New Horizons mission ...

also called Tombaugh Regio, is the result of a massive smash with another planetary body a little over 400 miles in diameter, roughly the size of Arizona from north to south. Pluto was discovered ...

In 2006, almost a decade after Tombaugh's death, the International Astronomical Union reclassified Pluto as a dwarf planet. The New Horizons mission carries some of Tombaugh's ashes on board as it ...

The latter is apparently an important component of Pluto’s brightest, smoothest region, which the team has named Tombaugh Regio in honor of Clyde Tombaugh, the American astronomer who discovered the ...

Remember: We didn’t even know there was a Pluto until 85 years ago, when astronomer Clyde Tombaugh found a strange, tiny dot moving across the star field. Get Free Exclusive NR Content Today ...

It was October 2001, and a leaky Lindley Hall roof and Lawrence light pollution had rendered the 1929 telescope — which had been refurbished by Pluto discoverer Clyde Tombaugh — nearly useless.

A year on Pluto is nearly 250 Earth years long. You can see more about the comparator at the Lowell Observatory in the video below. While Tombaugh wasn’t technically a citizen scientist ...