There are more than 700,000 known asteroids, but how much do you know about these rocky remnants left over from the birth of our solar system 4.6 billion years ago? In honor of International Asteroid Day on June 30, here are 10 things to know about our fascinating space rubble. Find more images and links at: [ Go.nasa.gov Link ]

1. A place in space. Asteroids—named by British astronomer...
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There are more than 700000 known asteroids but how much do you
Lance Pratt
Ucoy Ucoy Karawitan
Patricia Cowan
In this view, the Cassini spacecraft peers toward a sliver of Saturn's sunlit atmosphere while the icy rings stretch across the foreground as a dark band. This image shows the unilluminated side of the rings from about 7 degrees below the ring plane. It was taken on March 31, 2017. Details: go.nasa.gov/2sTwIHe
NASA Solar System Exploration 06/26/2017
Armela Camara
Jennifer Knight
Sreejith Surendranadh
As the Mars Pathfinder spacecraft approached its destination on July 4, 1997, no NASA mission had successfully reached the Red Planet in more than 20 years. Even the mission team anxiously awaiting confirmation that the spacecraft survived its innovative, bouncy landing could not anticipate the magnitude of the pivot about to shape the Space Age. In the 20 years since Pathfinder's touchdown,...
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Tom Faber
Ryan Linden
Praveen Kumar
Sándor Bóta
Russ McGivern
Jemal Rosa
The central caldera complex was first discovered in LROC images (61.20° N, 100.27° E; WAC mosaic with NAC image M103852760R in the center). Variations in the reflectance values were used to estimate the silica content of these enigmatic rocks. Scene is about 50 km across, north is up [NASA/GSFC/Ariz...
NASA Solar System Exploration 06/22/2017

New View of Rare Volcanism on the Moon

lroc.sese.asu.edu
Anthony Ashington-Pickett
Edvin Chandra
Marcus Fankhauser
Spot Jupiter’s stripes! Each of the alternating light and dark atmospheric bands in this image is wider than the Earth, and each one rages around Jupiter at hundreds of miles per hour.

This citizen scientist-processed JunoCam image was taken on May 19, 2017, from an altitude of about 20,800 miles above the planet’s cloud tops.

More info: [ Missionjuno.swri.edu Link ]
NASA Solar System Exploration 06/22/2017
Armela Camara
Jason Johnson
Ryan Steele
Ben Reeder
Avelino Tirol
Jaime Rosas
Jaime Rosas
Jaime Rosas
Muhammed Ali
Derly Ivan Salazar Pezzoni
Jennifer Fatzinger
James Albans
Heim Mann
Sarpreet Takhar
Richard Duperrier
Mark Wiener
We've been up close and personal with Saturn for 13 years now, thanks to NASA's Cassini mission (saturn.jpl.nasa.gov). From a tour of Saturn's many enthralling moons to an incredible view of Earth through its rings ([ Jpl.nasa.gov Link ], the planet continues to captivate the imagination. This week, 10 Things you need to know about our fascinating ringed neighbor: [ Go.nasa.gov Link ]

1....
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Weve been up close and personal with Saturn for 13 years now
Abhi Sharma
Armela Camara
David Allan
From Mars to the Moon: Martian crater seen by Opportunity on the 45th anniversary of Apollo 16 was named “Orion Crater” in honor of the mission’s lunar module.

More: [ Go.nasa.gov Link ]
NASA Solar System Exploration 06/16/2017
Lupe Marquez
Lupe Marquez
Lupe Marquez
Happening now: we’re closing in on our ninth ring dive, as simulated here in NASA Eyes on the Solar System software, which you can download at: [ Eyes.nasa.gov Link ]
NASA Solar System Exploration 06/16/2017
Made-in America
Jaime Rosas
Ryan Steele
1,000 Days in Orbit: MAVEN’s Top 10 Discoveries at Mars

On Saturday, June 17, 2017, the #MAVEN mission will celebrate 1,000 Earth days in orbit around the Red Planet. Since its launch in November 2013 and its orbit insertion in September 2014, MAVEN has been exploring the upper atmosphere of #Mars. MAVEN is bringing insight to how the sun stripped away most of the #Martian atmosphere, turning...
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NASA Solar System Exploration 06/16/2017
Darío Barrios
Greg Hamilton
Frank Luxem
#Jupiter's clouds of many colors! ☁

See the amazing variety in the Jupiter’s stormy atmosphere in this enhanced color JunoCam image of the south polar region of the planet.

More info: [ Missionjuno.swri.edu Link ]
NASA Solar System Exploration 06/16/2017
Tomasz Zakrzewski
Gordon Kruger
Charlsy Huneycutt
Kathy Templeton Dasani
Rifaldi Saputrawan
James DeSalvo
Ray Wells IV
Made-in America
Giorgio Ventpur Yengo
The flag farthest from Earth rides aboard NASA's Voyager 1 spacecraft, 12.8 billion miles (20.6B km) away: [ Go.nasa.gov Link ] #FlagDay
The flag farthest from Earth rides aboard NASAs Voyager 1 spacecraft 128
Christian Pauchet
Medina Fernandez Carlos
Joseph Nance
Mitch Wescovich
Douwe Korstanje
Tom Selby