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Tech billionaire Elon Musk is convinced that we must colonise Mars with a million people if the humanity is to survive long-term. To that effect in 2008, he almost went broke funding SpaceX – his then-new aerospace company – to keep developing next-generation rockets.

And on Tuesday, at a challenging moment in the 14-year-old company’s history, Musk plans to unveil his grand vision: to turn Mars into a “backup drive” and save humanity.

The big announcement is scheduled for Tuesday, September 27 at 2:30pm EDT during the 67th International Astronautical Congress (IAC) in Guadalajara, Mexico. (Watch it live at the end of this post.)

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Elon Musk unveils SpaceX’s future Mars vehicle and discusses the long-term technical challenges that need to be solved to support the creation of a permanent, self-sustaining human presence on Mars. The presentation focuses on potential architectures for sustaining humans on the Red Planet that industry, government and the scientific community can collaborate on in the years ahead.

Overview:
00:00. Why Mars and become a multi-planetary civilisation.

05:55. Early exploration missions.

09:15. Challenge 1: Full re-usability

11:17. Challenge 2: Refilling in orbit

12:31. Challenge 3: Mars propellant production.

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In Brief.

Tesla and SolarCity are working on making their cars capable of powering a household, and even the entire grid. Using vehicle-to-grid technology, Tesla may be on to something here, and its more than just saving on your electric bills.

Earlier this year, Elon Musk bought SolarCity for at least $2.6 billion, merging the solar engineering company with Tesla. Since then, both have been busy working on a few things. Perhaps the most interesting of these is the promise to cut down on your household electric bill.

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On Sept. 27, during a session at the International Astronautical Congress, Elon Musk will provide details about his Mars mission and colonization plans for the first time in a public forum.

However, he tweeted the name of his new megaspaceship will not be the Mars Colonial Transport it will be the interplanetary transport system. Elon plans to go beyond Mars to the entire solar system.

Mars isn’t the solar system’s only marginally habitable world for would-be new world colonists. The Moon, Venus, the asteroid Ceres, Titan and Callisto all have some advantages that could allow for colonies to subsist. Musk now seems to be suggesting that some of these more distant destinations, especially moons around Jupiter and Saturn, might be reachable with the Interplanetary Transport System.

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In a new interview, Elon Musk identifies genetics, AI, and brain bandwidth as three areas in which today’s youth can have the biggest impact on the future. However, he doesn’t think an idea needs to be revolutionary to be worthwhile.

While many 2o-something-year-olds are just finding their way in the world, young Elon Musk was already looking for ways to change it way back in 1995 (when he was that age).

In a well-known 2015 discussion with Neil deGrasse Tyson for the physicist’s StarTalk Radio podcast, Musk lists the five things he thought would most affect the future of humanity (the internet, sustainable energy, space exploration, artificial intelligence, and rewriting human genetics).

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