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The Sky: A Film Lesson in “Nature Study” (1928)

- May 24, 2018 in astrology, astronomy, moon, planets, sky, sun

Short educational film on what can be seen in the night sky through a telescope, including a look at constellations, the mountains of the moon, the planets, and the sun.

The Sky: A Film Lesson in “Nature Study” (1928)

- May 24, 2018 in astrology, astronomy, moon, planets, sky, sun

Short educational film on what can be seen in the night sky through a telescope, including a look at constellations, the mountains of the moon, the planets, and the sun.

Transit of Venus (1882)

- June 5, 2012 in astronomy, Images, Images-19th, Images-Photography, Images-Science, non-article, space, sun, transit of venus



The etching above shows William Crabtree in 1639 making what is thought to be one of the very first observations of the ‘Transit of Venus’, when the planet Venus crosses the face of the Sun. There would be three more such occurrences before the event of 1882 shown in the images below. Rather than using wet bromo-iodide plates to capture the image as was done for the Transit of Venus in 1874 only 14 years earlier, these images from 1882 were made on dry collodion emulsion plates – a much more practical method. The Naval Observatory and Transit of Venus Commission sent 8 parties around the world to observe each of the transits; the results of which were important for determining the scale of the solar system. Of the hundreds of images created during the 1882 American expeditions only 11 plates still survive.

(All images taken from the Naval Oceanography Portal, a website of the The United States Naval Observatory).





Below are some images from the 1874 and 1882 expeditions in progress. (See more here).



























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