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Planetary Astronomer Heidi B Hammel, PhD, Named to ARCS Foundation Alumni Hall of Fame

Lagrange, Georgia (PRWEB) February 08, 2023 At the January National Board Meeting, ARCS® Foundation Inc. announced planetary astronomer Heidi B. Hammel,

United statesSan franciscoHeidib hammelCaron oggPlanetary societyFoundation scholarsFoundation alumni hallResearch in astronomyScience for the association of universitiesNational science foundation noirlabAmerican astronomical society division for planetary sciencesNational board meetingFoundation incNational solar observatoryUniversity of hawaii at manoaAlumni hall

What are comets and where do they come from?

What are comets and where do they come from?
astronomy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from astronomy.com Daily Mail and Mail on Sunday newspapers.

United statesPaul weissmanRoen kellyDavid jewittJulio fernHuen ipFred whippleVerac rubinRenu malhotraJustin cowartJane luuRosetta navcamKenneth edgeworthGiuseppe conzoKaren meechUniversity of hawaii

What are comets and where do they come from?

What are comets and where do they come from?
astronomy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from astronomy.com Daily Mail and Mail on Sunday newspapers.

United statesPaul weissmanRoen kellyDavid jewittJulio fernHuen ipFred whippleVerac rubinRenu malhotraJustin cowartJane luuRosetta navcamKenneth edgeworthGiuseppe conzoKaren meechUniversity of hawaii

15 greatest comets of our time | Astronomy com

Take a trip down memory lane to revisit the most spectacular comets of the past half-century.

University of arizonaUnited statesUnited kingdomSouth africaCzech republicNew mexicoLa sillaSouth africanJohnny carsonRoberth mcnaughtJohn caister bennettKaoru ikeyaEdwina holmesGeorge alcockAlan haleDavid levy

Second asteroid could have also led to dinosaur extinction

There is strong evidence the dinosaurs endured a double-asteroid whammy.

Guinea bissauAtlantic oceanVeronica brayInternational ocean discovery programPlanetary laboratoryScience advancesNadir craterComet shoemaker levyInternational ocean discovery

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