RR Auction: Space and Aviation Auction

Extremely rare NWA 6963 Martian meteorite slice, found in the deserts of Northwest Africa. The partial slice weighs 4 grams and measures approximately

Handsome Agoudal iron meteorite (Morocco) slice, exhibiting an attractive Widmanstatten pattern. The full etched slice weighs 303.9 grams and measures

Group of six small whole stone meteorites, displayed with shockwave glass, from the iconic Chelyabinsk meteor which fell over the southern Ural region

Superb NWA 5950 stone (CV3) meteorite end cut recovered in Algeria in 2009, exhibiting chondrules: the small, colorful, glassy spheres seen in this ex

Fantastic Gebel Kamil iron meteorite (Egypt) slice and whole specimen, paired to show the interior and exterior of the meteorite. The full polished sl

German astronomer (1893–1960) who worked at Mount Wilson Observatory from 1931 to 1958, where, during World War II, he was able to resolve stars in th

French astronomer (1853–1948) who was director of the Meudon and Paris Observatories, and who invented the spectroheliograph and carried out intensive

Scottish astronomer (1843–1914) known for measuring astronomical distances, for astrophotography, and for geodesy; he famously photographed the Great

American astronomer (1909–2002) who studied under Donald H. Menzel and Fred L. Whipple at Harvard, developed a new spectrograph and a wide-field camer

American astronomer (1885–1967) who specialized in photometry and served as the first director of the Maria Mitchell Observatory in Nantucket, Massach

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...