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Every Way Devised to Deflect an Asteroid

Every Way Devised to Deflect an Asteroid
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United statesGregory matloffDavid frenchDavid morrisonRusty schweickartAssociation of space explorer international panelNuclear ablationUniversity of alabamaNational research councilCarolina state universityPlanetary societyProgram analysisEarth objectSpaceguard surveyNear earth objectInfrared survey explorer

Five asteroid deflection techniques to save… | The Planetary Society

Kinetic impactor or nuclear blast? Here are some ways to defend our planet from a dangerous asteroid.

Jason davisEuropean space agency heraPlanetary societyItalian space agency asi liciacubeAsteroid redirection testHubble space telescopeItalian space agencyAtari asteroidsBees spacecraft conceptLaser beesDeep impactComet tempelDeep spaceEuropean space agencySolar system

Astronomers discover water vapor around rare comet — offering lessons for Earth

The discovery of water vapor around the comet suggests that water can be preserved as ice in warmer parts of the solar system and could have been delivered to Earth from a comet.

Michael kelleyJoseph olmsted stscStefanie milamUniversity of marylandJames webb space telescopeComet tempelComet readJoseph olmstedKuiper beltOort cloudMike kelleyWebb deputy project scientistPlanetary science stefanie milam

Unlocking the mystery of comets | Astronomy com

Today, comets are a sight to behold, but for most of history they were seen as harbingers of doom.

Zuid hollandUnited statesUnited kingdomFrance generalSouth africaSan franciscoWilliams bayYerkes observatoryWilliam turner donatiGottfried kirchPhilosophiae naturalis principia mathematicaJan oortEdward emerson barnardGiovanni battista donatiTycho braheGalileo galilei

Here are 6 times that spacecraft smacked into other worlds — for science!

Sometimes, spacecraft must be destroyed anyway. And sometimes, it takes destroying a spacecraft to get the maximum science out of a mission.

Johns hopkins universityUnited statesSouth koreaAmes research centerKyongsang buktoLinda spilkerAnthony colapreteRosaly lopesScott boltonNancy chabotPropulsion laboratoryJohns hopkins university applied physics laboratoryResearch instituteEuropean space agencySouthwest research instituteComet tempel

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