Vintage aircraft above Earth, Carl Sagan surrounded by the cosmos, and a futuristic starship travelling through deep space.

Around the Cosmos

What happens when going around the world is no longer enough? On 28 September 1924, two Douglas World Cruisers returned to Seattle and completed the first aerial circumnavigation of the globe. The US Army Air Service expedition had begun on 6 April and lasted 175 days, covering roughly 27,550 miles. Four aircraft had set out; […]

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A night scene in the Arizona desert near Lowell Observatory shows a long-eared dog leaping toward two glowing planets in the sky. Uranus appears larger and turquoise-blue, while Pluto is smaller and pale. Stars form a dog-bone constellation above the observatory dome, with desert rocks and cacti surrounding the scene.

Pluto, Uranus and a Dog in the Arizona Desert

Some dates produce connections almost automatically.13 March is one of those. Three astronomical milestones line up neatly on the same day. 1781 — William Herschel discovers Uranus in Bath. 1855 — Birth of Percival Lowell. 1930 — Discovery of Pluto is announced from Lowell Observatory in Arizona. Astronomers deliberately chose 13 March for the announcement […]

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