chaosophia218:

William Peck - Lunar Craters, “A Popular Handbook and Atlas of Astronomy”, 1891.

nemfrog:

“Orbits of some comets and planets.” Natural History. v.33. 1933. 

astronomyblog:

156 bolides were detected on a single (pointed) photographic plate of the all sky fish-eye photographic camera during the Leonid meteor shower in 1998 at Modra observatory. The exposure time was 4 hours. Juraj Tóth (source)

nemfrog:

“Spiral nebula in Coma Berenices.” A beginner’s star-book. 1912.

humanoidhistory:

September 8, 2015: Enceladus, moon of Saturn, observed by the Cassini probe.

(NASA)

nemfrog:

Horsehead Nebula. Annual report of the Board of Regents of the Smithsonian Institution. 1953. 

northmagneticpole:

Photographs of Morehouse’s Comet, September 1, 1908

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nemfrog:

Jupiter and Saturn. Children’s science book. 1947.

nemfrog:

”Our Earth is peppered with some 20,000 tons of stardust a year.” Children’s science book. 1947.