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What colors are the planets in our solar system? And why are they so different?

From the slate gray of Mercury to the ruddy brown of Pluto, the worlds in our solar system are a veritable rainbow of colors. But what makes them all look so different?

United statesArwen rimmerMarsdusthaze marMh wong university of californiaJohns hopkins university applied physics laboratory carnegieA simon goddard space flight centerJohns hopkins university applied physicsGlobal surveyorGoddard space flight centerSouthwest research

New Satellite Photos Show Hundreds of Black Spiders on Mars

New Satellite Photos Show Hundreds of Black Spiders on Mars
greekreporter.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from greekreporter.com Daily Mail and Mail on Sunday newspapers.

European space agency marsEuropean space agencyMars expressExomars trace gas orbiterAngustus labyrinthusInca cityGlobal surveyorWill future colonistsMars develop new

Do Satellites Run Out of Power?

Satellites spend part of their orbits in the Earth's shadow; some need to rely on energy storage to keep their electronic systems operating.

Servicing missionLow earth orbitGeosynchronous earth orbitOperational environmental satellitesSpace telescopeHubble space telescopeGlobal surveyorInternational space station

Early Mars was Tectonically and Volcanically Active, Study Suggests

Early Mars was Tectonically and Volcanically Active, Study Suggests
sci.news - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sci.news Daily Mail and Mail on Sunday newspapers.

Joseph michalskiUniversity of hong kongHong kongGlobal surveyorMars odysseyMars reconnaissanceNat astron

The Ice Sheet on Mars is Even Thicker Than Previously Believed

The Ice Sheet on Mars is Even Thicker Than Previously Believed
universetoday.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from universetoday.com Daily Mail and Mail on Sunday newspapers.

United statesColin wilsonAndrea cicchettiApollinaris pateraThomas wattersHigh resolution stereo camera european space agencyCresis ku smithsonian institutionSmithsonian institutionNational institute for astrophysicsMaybe marsMedusae fossae formationOlympus monsGale craterMars expressGlobal surveyorMars odyssey