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Radar could help scientists find potentially threatening asteroids Here s how

Ground-based radar systems could play a major role in planetary defense, spotting asteroids on a cataclysmic collision course with Earth by bouncing radio waves off them to get position and velocity measurements.

United statesPatrick taylorBrian kentTony beasleyMarina brozoviAmerican association for the advancement of scienceAstrobiology decadalNational academiesNational radio astronomy observatorySpace networkNational science foundation green bank telescopeSolar system radarDeep space networkAmerican associationNational science foundationGreen bank telescope

NASA s LRO Spots Japan s Moon Lander

On Jan. 19, 2024, at 10:20 a.m. EST, the JAXA (Japan Aerospace Exploration Agency) Smart Lander for Investigating Moon (SLIM) landed on the lunar surface.

Japan aerospace exploration agency smart landerJapan aerospace exploration agencySmart landerInvestigating moonReconnaissance orbiterEarth 039s moonGoddard space flight centerLunar reconnaissance orbiter lroThe solar system

Crystal-studded space rock found in the Sahara may rewrite the history of the early solar system

The rocks were found in May 2020 in the Erg Chech sand sea, in the Sahara Desert in southern Algeria.

Sahara desertDerg chechNature communicationsExpert voicesSolar systemUranium isotopesThe solar systemNature communicationsErg chech 002Volcanic rock

NASA s Curiosity Rover Captures a Martian Day, From Dawn to Dusk

Videos from the rover show its shadow moving across the Martian surface during a 12-hour sequence while Curiosity remained parked.

United statesAndrew goodGediz vallisKaren fox alana johnsonScience mission directorateMore about the missionPropulsion laboratoryHazard avoidance camerasRed planetGale craterAlpha particlex ray spectrometerMount sharpMission directorateCuriosity roverThe solar system

NASA s Juno to Get Close Look at Jupiter s Volcanic Moon Io on Dec 30

The orbiter has performed 56 flybys of Jupiter and documented close encounters with three of the gas giant’s four largest moons.

United statesSouthwest research instituteSan antonioScott boltonTed hirstKaren fox alana johnsonDeb schmidScottj boltonResearch instituteFrontiers programPropulsion laboratoryMarshall space flight centerScience mission directorateMore about the missionJovian infrared auroral mapperStellar reference unit

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