• perspective.... Tom Gehrels was the husband of Aleida J. Gehrels (née de Stoppelaar) and father of Neil Gehrels, George Gehrels and Jo-Ann Gehrels. He died in...
    11 KB (1,115 words) - 13:04, 18 May 2023
  • university teacher Jürgen Gehrels (born 1935), German businessman Neil Gehrels (1952–2017), American astrophysicist Tom Gehrels (1925–2011), Dutch–American...
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    Ekalaya, the king of the Paranggelung state). The American astronomer Tom Gehrels named a class of asteroids with low inclination, low eccentricity and...
    49 KB (5,253 words) - 17:30, 4 September 2024
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    ISBN 978-3642297182. Bell, J.F.; et al. (2015). Richard P. Binzel; Tom Gehrels; Mildred Shapley Matthews (eds.). Asteroids: The Big Picture in Asteroids...
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  • Thumbnail for 64P/Swift–Gehrels
    September 2019). "Outbursts at Comets 46P/Wirtanen, 64P/Swift-Gehrels, and 78P/Gehrels 2 in 2018". Research Notes of the AAS. 3 (9): 126. Bibcode:2019RNAAS...
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  • Thumbnail for David L. Rabinowitz
    and Makemake, though no-one would get credit for Haumea. Together with Tom Gehrels of the University of Arizona and his Spacewatch team, Rabinowitz discovered...
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  • jointly credited trio with Tom Gehrels and Ingrid, he was an extremely prolific discoverer of many thousands of asteroids. Gehrels did a sky survey using...
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    asteroid that orbits between Mars and Jupiter after him in November 1995. Tom Gehrels, who had originally discovered the asteroid in 1985 but never named it...
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    similar currently active programs. Spacewatch was founded in 1980 by Tom Gehrels and Robert S. McMillan, and is currently led by astronomer Melissa Brucker...
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  • Thumbnail for 78P/Gehrels
    78P/Gehrels, also known as Gehrels 2, is a Jupiter-family periodic comet in the Solar System with a current orbital period of 7.22 years. It was discovered...
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  • Thumbnail for Opposition surge
    opposition surge was described in 1956 by Tom Gehrels during his study of the reflected light from an asteroid. Gehrels' later studies showed that the same...
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  • the Moon on Apollo 8 A. E. Douglass – astronomer, dendrochronologist Tom Gehrels – planetary scientist Emil Haury – archaeologist Rashad Khalifa – biochemist...
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  • Thumbnail for Opportunity (rover)
    van Houten-Groeneveld who, along with Cornelis Johannes van Houten and Tom Gehrels, discovered the asteroid on September 24, 1960. Opportunity's lander...
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  • Thumbnail for Neil Gehrels
    Sciences. Gehrels died on February 6, 2017, at the age of 64. On January 10, 2018, NASA announced that Swift had been renamed the Neil Gehrels Swift Observatory...
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  • 37452 Spirit (category Discoveries by Tom Gehrels)
    Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Tom Gehrels at Palomar Observatory, California. It was named after NASA's Spirit...
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  • 1998 KY26 (category Discoveries by Tom Gehrels)
    from radar observations in 1998 Discovery Discovered by Spacewatch (Tom Gehrels) Discovery site Kitt Peak Obs. Discovery date 28 May 1998 (discovery:...
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  • the common S-type to the rather rare Q-type asteroids. In the 1990s, Tom Gehrels gave a first diameter estimate for Morpheus of 1.8 kilometers. According...
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    Photometry". nssdc.gsfc.nasa.gov. NASA. Retrieved February 19, 2011. T. Gehrels. "Pioneer 11: Imaging Photopolarimeter (IPP)". nssdc.gsfc.nasa.gov. NASA...
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    Arnold Meijer (1905 in Haarlemmermeer – 1965) a Dutch fascist politician Tom Gehrels (1925 in Haarlemmermeer – 2011) a Dutch–American astronomer and academic...
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  • 82P/Gehrels is a periodic comet that was discovered on October 27, 1975, by Tom Gehrels at the Palomar Mountain Observatory in California having a faint...
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  • Thumbnail for 944 Hidalgo
    kilometers taken from the publication Hazards due to Comets and Asteroids (Tom Gehrels, 1994). The Collaborative Asteroid Lightcurve Link assumes a standard...
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    processed to build up a visual image of the planet. Principal investigator: Tom Gehrels / University of Arizona Data: NSSDC data archive list Infrared Radiometer...
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    the astronomers Cornelis van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels. (This is the only instance where the list of minor planets diverges...
    106 KB (3,178 words) - 13:49, 2 August 2024
  • Thumbnail for Spirit (rover)
    van Houten-Groeneveld who along with Cornelis Johannes van Houten and Tom Gehrels discovered the asteroid on September 24, 1960. To honor the rover, the...
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  • Thumbnail for Asteroid impact avoidance
    analysis equipment to search the skies for intruders, was set up in 1980 by Tom Gehrels and Robert S. McMillan of the Lunar and Planetary Laboratory of the University...
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  • 39382 Opportunity (category Discoveries by Tom Gehrels)
    Ingrid and Cornelis van Houten, as well as Dutch–American astronomer Tom Gehrels from photographic plates taken at the Palomar Observatory, California...
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  • 10979 Fristephenson (category Discoveries by Tom Gehrels)
    29 September 1973, by Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar Observatory in California, United States. The dark C-type...
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  • Thumbnail for Magnus von Braun
    prominent Dutch-American astronomer Tom Gehrels published an influential 1994 article in the British journal Nature. Gehrels, who had been a teenager in the...
    45 KB (6,705 words) - 01:55, 3 September 2024
  • Observatory in 1978, and presumably taken on photographic plates by Tom Gehrels shortly after the last Palomar–Leiden Survey campaign, had its discovering...
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  • Thumbnail for 2062 Aten
    diameter and its surface has a high albedo between 0.39 and 0.52. in 1994, Tom Gehrels published a diameter of 1.1 kilometers and an albedo of 0.26 in his book...
    17 KB (1,146 words) - 21:36, 14 January 2024