27 July
2001: On 27 July 2001, the NASA/ESA Hubble Space Telescope made a panoramic portrait of a vast, sculpted landscape of gas and dust where thousands of stars are being born. ...
27 ΦΕΒ. 2004
Ημερομηνία δημοσίευσης
2581
Προβολές
1851: On 28 July 1851, the first photograph of a total solar eclipse was made. The photograph was a daguerrotype, had a 24 second exposure and was taken by a Herr Berkowski from Königsberg (now Kaliningrad).
At the next opportunity, at the 1860 eclipse, photographs obtained by W. De La Rue and A. Secchi from two sites 500 km apart showed that the observed prominences could not belong to the Moon, but were in fact of solar origin.
Παράθυρο πολυμέσων
26 July
2000: On 26 July 2000, Comet Linear C/1999 S4 began to break up on its closest approach to the Sun.On 28 July, Spain’s Instituto de Astrofisica de Canarias reported that ...
25 July
2003: On 25 July 2003, astronomers using ESA’s X-ray observatory, XMM-Newton, announced that they had discovered a pair of X-ray tails, stretching 3 million million kilometres across the sky. They ...
24 July
1853: On 24 July 1853, Henri-Alexandre Deslandres was born.Deslandres was a French astrophysicist who invented a spectroheliograph to photograph the Sun in monochromatic light and made extensive studies of the ...
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