NASA - National Aeronautics and Space Administration

Journey to a Comet (MRI movie)

This movie shows Deep Impact's approach to comet Tempel 1.

Night of the Comet

Deep Impact is headed for comet Tempel 1 and a new interactive Flash feature details the historic event.

The Road to Tempel

This animation chronicles the travels of NASA's Deep Impact spacecraft, from its launch in January of 2005 to its dramatic impact 172 days later with comet Tempel 1.

Genesis of a Comet

This artist's animation depicts one of the most widely accepted theories pertaining to the origin of comets.

Encounter Animation

This animation shows a conceptualized view of Deep Impact's encounter with comet Tempel 1.

A Comet Impact Simulation

Watch our video series that details planning for Deep Impact's encounter with comet Tempel 1.

Discovery Channel Explores Deep Impact

Mission Overview Series

Watch our video series that details planning for Deep Impact's encounter with comet Tempel 1.

Cometary 'Sneeze'

Air Gun Experiment

This video shows an impact experiment of a high-speed impact into a frozen comet-like material.

Space Telescopes Hone In

An artist's rendition of comet Tempel 1.

Dirty Ice Balls

Spacecraft offer unique views of comets. Our new slide show features comet images taken in space.

Deep Impact Mission Log

Learn what the mission team is doing to prepare for its July 4 encounter with comet Tempel 1.

First Person

What are comets made of? JPL's Dr. Don Yeomans explains

Calling All Astronomers

Discover how you too can participate in the Deep Impact mission.

Why the Jet Propulsion Laboratory?

The Jet Propulsion Laboratory, managed by the California Institute of Technology, is NASA's lead center for robotic exploration of the Solar System.

Launch Services

Why launch anything into space?

Comets -- the Cosmic Nomads

Throughout history, comets have inspired curiosity, fear, fascination and dread.

What is a Comet Made Of?

NASA's Deep Impact mission to begin a new era of comet exploration.

Journey to a Comet
Begins in Florida

The Deep Impact spacecraft gets a pre-launch check-up at the Kennedy Space Center.