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Galileo’s phases of Venus, published 1613
Crux, the smallest modern constellation.
APEX image of a star-forming filament in Taurus
Credit: ESO/APEX (MPIfR/ESO/OSO)/A. Hacar et al./Digitized Sky Survey 2. Acknowledgment: Davide De Martin.
Comet West was discovered in photographs by Richard West on August 10, 1975. It reached peak brightness in March 1976. During its peak brightness, observers reported that it was bright enough to study during full daylight. Despite its spectacular appearance, it didn’t cause much expectation among the popular media. The comet has an estimated orbital period of 558,000 years.
Enceladus, the sixth largest moon of Saturn, 2008.
Captured by NASA’s Cassini.
A Supernova Duet in NGC 1448
An electrical storm with STS-8 on the launch pad, 1983.
Fireworks of Star Formation

Added at 10:21pm300 notes