Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

Clyde Tombaugh didn't set out to discover Pluto when he sent his sketches of the night sky to Lowell Observatory in Flagstaff, Arizona in 1929. More than anything, he just wanted to get off the ...

Pluto was discovered in 1930 by Clyde Tombaugh ... The machine involved taking pairs of photos of the evening sky several nights apart and then using a special viewer to rapidly switch between ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

Astronomer Percival Lowell founded his Arizona stargazing lab in 1894 to aid in his search for life on Mars. While that quest is still ...

He would use the Observatory’s astrograph to photograph parts of the sky where Planet X was calculated ... suggested the name Pluto, the god of the underworld. Tombaugh’s newfound fame earned ...

Lowell’s Dark Sky Planetarium also featured on Friday a show focused on the big questions of the cosmos, such as exploring whether we are along in the universe. A Pluto pub crawl followed.

SKY customers will notice a number of changes to the channels available on their boxes this week. And it not only applies to ...

Years after his death, Tombaugh used a blink comparator to analyze photographic plates of the night sky, eventually spotting Pluto. Today, visitors can explore Lowell Observatory, which opened an ...