Dec
22

Rural Postal Carrier’s Christmas Postcard, 1915

On Dec. 21, 1915, Rural Free Delivery letter carrier, John S. Mac Ilroy, sent this Christmas postcard to William Taylor, a patron on his Pittstown, N.J., route. The back of the postcard has a printed five-stanza poem titled “If” that includes the verse, “When packages due don’t come on time And those who are sending… Continue reading Rural Postal Carrier’s Christmas Postcard, 1915

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Dec
14

From Earth to the Solar System: Io

Volcanoes on Io: This false-color image shows Io, one of Jupiter’s largest moons and potentially the most interesting. About the size of Earth’s Moon, Io is the most volcanically active body in the Solar System. Io’s volcanoes erupt massive volumes of silicate lava, sulfur, and sulfur dioxide hundreds of miles above the surface, constantly changing… Continue reading From Earth to the Solar System: Io

Dec
06

From Earth to the Solar System: Hyperion

HYPERION: Sponge or moon? This stunning, false-color image of Saturn’s moon Hyperion reveals crisp details across the strange, tumbling moon’s surface. Although somewhat potato-shaped, Hyperion’s average diameter is 270km (168 miles). Scientists think Hyperion’s unique appearance can be attributed to the fact that it has an unusually low density for such a large object, giving… Continue reading From Earth to the Solar System: Hyperion

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