RR Auction: Space and Aviation Auction

American astronomer (1920–2013) best known for his discovery, with Guillermo Haro, of Herbig–Haro objects: bright patches of nebulosity excited by bip

Danish chemist and astronomer (1873–1967) who, with Henry Norris Russell, developed the Hertzsprung-Russell diagram, a scatter plot showing the relati

American astronomer (1891–1972) who, though he had no formal education, was hired at Mount Wilson Observatory in 1919. He assisted Edwin Hubble in for

British theoretical astrophysicist (1935–2018) who was the first to determine that galaxies contain supermassive black holes at their centers. ALS, on

Edmund Neville Nevill, elected a fellow of the Royal Astronomical Society under the name Edmund Neison (1849–1940), was known for his popular books on

Estonian astronomer and astrophysicist (1893–1985) who spent his postwar career at the Armagh Observatory in Northern Ireland and won several importan

Danish astronomer and astrophysicist (1908–1987) who made momentous contributions to the understanding of the chemical composition of stars and served

English astronomer (1890–1960) who became renowned as an authority on positional astronomy and served as Astronomer Royal for 23 years; he infamously

German astronomer (1886–1933) from the prolific Struve family, who analyzed the movements of the moons of Saturn and Uranus. ALS in German, signed “G.

Official color glossy 10 x 8 NASA photo of an artist's depiction of Pluto, signed in the upper border in black felt tip, "Clyde W. Tombaugh...