Tag: Kuiper Belt Objects

Pluto: Unexplored, Exploring, Explored

“Yay! Pluto will always be part of our hearts,” a 17-year old exclaims to her companion. “Pluto just needs a good PR rep,” a dad jokes to his son after reading the formal definition of planet and figuring out why Pluto isn’t one. “Pluto’s a dog.” “I know it’s a dog. It’s also a dwarf planet,” two friends banter back and forth. These were a few quotes I overheard while eavesdropping at the Smithsonian Air and Space Museum a few weeks ago. Pluto, though demoted from a planet to a dwarf planet in 2006 for failing to “clear the neighborhood of its orbit,” remains part of the “Exploring the Planets” exhibit. A scale model of New Horizons—the probe that made its closest approach to the icy underdog on July 14, 2015—hangs above a kiosk that in bright yellow letters reads “Exploring Pluto.” A screen shows the latest images and encourages users (more...)