Sun-16.02.19-Coronado-single stack-ASI 290 MC (Adel Kildeev)

Contains: Solar system body or event

Sun-16.02.19-Coronado-single stack-ASI 290 MC

HAPPY BIRTHDAY, GALILEO!

Yesterday marked the 455th anniversary of the birth of Galileo — the man largely considered to be the father of modern observational astronomy.

Galileo’s list of scientific accomplishments and inventions covers a wide range of disciplines. In terms of astronomy, his most astounding contributions began in 1609 when he made remarkable improvements to a simple Dutch spyglass that was at the time awaiting patent. Even though he had not seen the rumored device, he reasoned out how it would operate and created his own 3x telescope. Eventually his experiments in telescope design led to larger magnification capabilities of up to 30x. Even though they were revolutionary, Galileo's telescopes were still limited by narrow fields of view, low light-gathering capability and optical aberrations. However, these factors did not stop him from making many notable observations including discovering four of Jupiter’s largest moons, providing proof that Venus had phases and revealing that the Moon’s surface was not smooth but was instead a topographical treat that he went on to chart. He also confirmed that the heavens held vast amounts of stars that the naked eye could not discern.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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