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Dawn Journal: Second Extended Mission

Marc Rayman • November 03, 2017

Building on the successes of its primary mission and its first extended mission, NASA has approved the veteran explorer for a second extended mission.

Dawn Journal: 10 Years in Space

Marc Rayman • October 04, 2017

A decade after leaving its first home in the solar system, Dawn is healthy and successful at its current residence around Ceres.

Dawn Journal: Still More Science

Marc Rayman • July 11, 2017

Orbiting the only dwarf planet inside the orbit of Neptune, Dawn is healthy and continuing to carry out its assignments at Ceres, which includes keeping an eye on cosmic rays.

Dawn Journal: Adaptations

Marc Rayman • May 30, 2017

On the other side of the solar system, invisible by virtue both of the blinding glare of the sun and by the vastness of the distance, Dawn is continuing its remarkable cosmic adventure.

Learn the rocket equation, part 2

David Shortt • May 05, 2017

In the second and final chapter of our series, we’ll explore what the rocket equation has to say about travel through the solar system, using the example of launching a rocket to Pluto.

Dawn Journal: On Course for Opposition

Marc Rayman • May 01, 2017

The Dawn spacecraft is about to swing into a new orbital path to observe the enigmatic "bright spots" in Occator Crater on Ceres—among other targets.

Dawn Journal: Bonus Plans

Marc Rayman • March 31, 2017

Now in its third year of orbiting a distant dwarf planet, a spacecraft from Earth is as active as ever. Like a master artist, Dawn is working hard to add fine details to its stunning portrait of Ceres.

Dawn Journal: Intricate Maneuvers

Marc Rayman • March 02, 2017

The Dawn mission is executing an ambitious bonus goal recently devised for its extended mission. Mission Manager and Chief Engineer Marc Rayman brings us his monthly update.

Dawn Journal: A New Perspective on Ceres

Marc Rayman • February 01, 2017

Dawn has moved into its sixth orbital phase, with a new sun angle that provides an opportunity to gain a new perspective on the asteroid Ceres.

Dawn Journal: Looking Back, Looking Forward

Marc Rayman • January 03, 2017

Dawn is concluding a remarkable year of exploring dwarf planet Ceres. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.

Spaceflight in 2017, part 2: Robots beyond Earth orbit

Emily Lakdawalla • December 30, 2016

What's ahead for our intrepid space explorers in 2017? It'll be the end of Cassini, but not before the mission performs great science close to the rings. OSIRIS-REx will fly by Earth, and Chang'e 5 will launch to the Moon, as a host of other spacecraft continue their ongoing missions.

Dawn Journal: Maneuvering for Science

Marc Rayman • November 29, 2016

Dawn is completing another elegant spiral around dwarf planet Ceres, maneuvering to its sixth science orbit. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.

Dawn Journal: 5th Mapping Orbit

Marc Rayman • November 01, 2016

Dawn just completed another successful observation campaign at Ceres from its latest mapping orbit. Mission Director and Chief Engineer Marc Rayman brings us his monthly update.

Dawn Journal: 9th Anniversary

Marc Rayman • September 29, 2016

Nine years ago today, Dawn set sail on an epic journey of discovery and adventure. The intrepid explorer has sailed the cosmic seas and collected treasures that far exceeded anything anticipated or even hoped for.

Dawn Journal: Diving Low

Marc Rayman • September 01, 2016

Following the conclusion of Dawn's ambitious 8.8-year prime mission on June 30, the spacecraft has been gathering a wealth of data with all sensors in its extended mission as it orbits closer to Ceres than the International Space Station is to Earth.

What's up in the solar system, September 2016 edition: OSIRIS-REx launches, Rosetta ends

Emily Lakdawalla • August 31, 2016

The month of September begins with an annular solar eclipse visible from much of Africa on September 1. On or after September 8, we'll see OSIRIS-REx launch into a two-year cruise toward a rendezvous with asteroid Bennu. But September will close, sadly, with the end of the wonderful Rosetta mission.

Dawn Journal: Staying at Ceres

Marc Rayman • July 30, 2016

The official end of Dawn's prime mission was June 30, but the valiant adventurer began its "extended mission" of performing more Ceres observations without missing a beat.

What's up in the solar system, July 2016 edition: Juno to enter orbit, NASA missions all extended

Emily Lakdawalla • July 01, 2016

Highlights this month include the impending arrival of Juno at Jupiter, the approval of extended missions for all of NASA's solar system spacecraft, and public data releases from Rosetta, New Horizons, and Cassini.

Dawn Journal: In the Details

Marc Rayman • June 08, 2016

Dawn is continuing to record the extraordinary sights on dwarf planet Ceres. The experienced explorer is now closer to the alien world than the International Space Station is to Earth.

What's up in the solar system, June 2016 edition: Juno approaches Jupiter

Emily Lakdawalla • June 01, 2016

Your monthly roundup of the adventures of the 20+ robots exploring our solar system.

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