28 July
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 ...
27 FÉVR. 2004
Date de publication
1824
Vues
1999: On 29 July 1999, NASA's Deep Space 1 undertook the closest encounter with an asteroid ever attempted when it flew within 15 kilometres of the newly named asteroid Braille (formally known as 1992 KD). Infrared cameras collected spectra which confirmed that the small asteroid Braille was similar in chemical composition to Vesta, a rare type of asteroid and the third largest body in the main asteroid belt.
Modal média
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. ...
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 ...
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