Conjunction of Venus & Beehive
Venus is in conjunction with the Beehive Cluster low on the west-northwestern horizon at dusk.
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Thomas Harriot, mapped the Moon with a telescope 4 months before Galileo (d. 1621)
Thomas Harriot was an English astronomer, mathematician, ethnographer and translator who made advances within the scientific field. Thomas Harriot was recognized for his contributions in astronomy, mathematics, and navigational techniques. Harriot worked closely with John White to create advanced […]
Independence Day (USA)
Independence Day is a U.S. federal holiday commemorating the Declaration of Independence of the United States, on July 4, 1776.
Mercury at Greatest Elongation
Mercury will reach its greatest separation from the Sun in its Jun–Jul 2021 morning apparition. It will be shining brightly at mag 0.3.
Moon at Apogee
The Moon’s distance from Earth varies throughout its monthly orbit because the Moon’s orbit isn’t perfectly circular. Every month, the Moon’s eccentric orbit carries it to apogee – its most distant point from […]
Sir W. Lawrence Bragg, FRS, shared Nobel Prise with his father for X-ray crystallography (d. 1971)
Sir William Lawrence Bragg was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint recipient (with his father, William […]
Mars at Aphelion
Mars will be at the farthest point in its orbit around the Sun on this date - 154,425,919.9 miles.
G. Lippmann, Nobel Prize for optics, (d. 1921)
Jonas Ferdinand Gabriel Lippmann (16 August 1845 – 13 July 1921) was a Franco-Luxembourgish physicist and inventor, and Nobel laureate in physics for his method of reproducing colours photographically based on the phenomenon of interference. - Wikipedia