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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Two new ways to browse Vesta: 1. Vesta Low-Altitude Mapping Orbit (LAMO) Atlas

Emily Lakdawalla • September 16, 2013

Last week was the European Planetary Science Congress in London, and there's been a lot of science news. One thing that caught my eye Friday was the publication of a new atlas for Vesta.

Dawn Journal: Distant interplanetary adventurer

Marc Rayman • August 30, 2013 • 1

Traveling confidently and alone, Dawn continues to make its way through the silent depths of the main asteroid belt. The interplanetary adventurer is on its long journey to the uncharted dwarf planet Ceres, by far the largest of all asteroids.

Producing global views of Vesta from archival data

Björn Jónsson • August 21, 2013 • 3

Björn Jónsson produces beautiful color and 3D global mosaics of Vesta from Dawn's archival data.

Dawn Journal: Craving Power

Marc Rayman • July 30, 2013 • 5

Ion propulsion is not a source of power for Dawn. Rather, the craft needs a great deal of power to operate its ion propulsion system and all other systems. It needs so much that...we crave power!!

Dawn Journal: Breaking Velocity Records

Marc Rayman • July 02, 2013 • 7

The indefatigable Dawn spacecraft is continuing its extraordinary interplanetary flight on behalf of inquisitive creatures on distant Earth. Progressing ever farther from Vesta, the rocky and rugged world it so recently explored, the ship is making good progress toward its second port of call, dwarf planet Ceres.

Worlds in Collision

Bill Dunford • June 25, 2013 • 6

Meet some worlds that were nearly shattered, literally.

Dawn Journal: Thrusting to a new personal best

Marc Rayman • June 02, 2013 • 2

Traveling from one alien world to another, Dawn is reliably powering its way through the main asteroid belt with its ion propulsion system. Vesta falls farther and farther behind as the spacecraft gently and patiently reshapes its orbit around the sun, aiming for a 2015 rendezvous with dwarf planet Ceres.

Dawn Journal: A low-orbit shortcut to Ceres

Marc Rayman • May 02, 2013

Marc Rayman's latest Dawn Journal explains why Dawn is currently closer to the Sun than both Ceres and Vesta.

Dawn Journal: Staying warm en route to Ceres

Marc Rayman • March 30, 2013 • 4

Marc Rayman's latest Dawn journal explains the temperature adjustments engineers make to save power and keep the spacecraft warm.

Dawn Journal: Revisiting orbital mechanics

Marc Rayman • March 01, 2013 • 1

Now that Dawn has changed its speed by nearly eight kilometers per second, Marc Rayman revisits the concept of orbital velocity.

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