Mars Direct

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The Mars Direct mission sequence.

Mars Direct is a proposed mission architecture, devised by Robert Zubrin and David Baker, that uses current technology to land a small crew on Mars. This plan was summarized in the book, The Case For Mars, written by Robert Zubrin and Richard Wagner. At the time it was proposed, Mars Direct was innovative for its use of in situ resource utilization (ISRU) and for its use of direct launch from Earth to Mars without orbital construction or Mars orbit rendezvous. It also relies on multiple vehicles for improved redundancy. In the book, Zubrin estimated the cost of the mission at $20 - $30 billion. It has inspired several later proposed mission plans, including NASA's Design Reference Mission.

Technically, there is only one Mars Direct design. However, in some circles "Mars Direct" has become shorthand for any mars mission profile which reduces payloads and costs with ISRU and direct launch trajectories.

Scott Davis has written a simulation, based on Zubrin's scenario, called Mars Simulation Project

See Also

New Mars Forum Discussions

A Bigelow Mars Direct?

The Biggest Real Problem with Mars Direct

Euro Version of Mars Direct

Has Dr Zubrin Addressed Mars Direct Objections?

Long Duration Lunar Mission Dry Run for Mars Direct

My Change To Mars Direct/Semi-Direct Mission Plans

Documentary on Mars Direct Trailer - Based on Zubrin's Case for Mars

Space Elevator vs. Mars Direct - Anyone Compare the Costs?

Where Exactly is Mars Direct with NASA?

Reasons Against Mars Direct

Mars Direct Still on the Table?

How to Kill Mars Direct

Mars Direct - How Much Does It Cost?

How to Sell MArs Direct

An All Solar Mars Direct

Mars Direct Rethought - Fixing the Potholes in Zubrin's Plan

Mars Direct International

Merits of Mars Direct - Is It Too Optimistic?

Mission Risk Involving Mars Direct

Revive the Saturn V for Mars Direct

External links