1 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

DAWNEXPLORING NEW WORLDS

2 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Dawn Explores Ceres and Vesta to Discover What They Can Tell Us About How the Terrestrial Planets Formed

Dawn is the 9th mission in NASA’s competed, low-cost Discovery Program

3 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Dawn is the Only Mission to Orbit a Main Belt Asteroid

Vesta 2011-2012

4 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Giant Impacts Delivered Pieces of Vesta to Earth as Meteorites

5 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Dawn is the First Mission to Reach a Dwarf Planet

Dawn began orbiting around Ceres on March 6, 2015

Ceres 2015-2016

6 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Dawn is Enabled by Ion Propulsion

Ion propulsion allows us to go places that would otherwise be extremely expensive or impossible within NASA’s constraints

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Dawn records:

Longest powered flight: 5.3 years of operation

+

Largest propulsive velocity change: 10,800 m/s (24,000 mph)

8 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

Dawn Contributes to the Effort…

9 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

…. then to Vesta & Ceres

10 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

2015 - 2016

11 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015

For More Information

http://dawn.jpl.nasa.gov http://solarsystem.nasa.gov

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13 Astronauts and Robots: Partners in Space Science and Exploration May 13, 2015