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calestous's profile
Calestous Juma
Calestous Juma
Calestous Juma
Verified account
@calestous

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Calestous JumaVerified account

@calestous

Professor @BelferCenter @KennedySchool @Harvard | A New Culture of Innovation: Technology, Entrepreneurship and Prosperity (forthcoming book)

bit.ly/2sG3K0T
Joined April 2009

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    Calestous Juma‏Verified account @calestous 11 Feb 2017

    We shouldn't leave #Earth to colonize #Mars, says @Astro_Ron https://qz.com/907211  via @qz

    5:46 AM - 11 Feb 2017
    • 24 Retweets
    • 18 Likes
    • One Human Ebisike Ebube George Hannes Hanath Duke of Tulip mohammed ahmed Richard hurst Oui Koeta Prof Ola Sulaiman earthmixx
    14 replies 24 retweets 18 likes
      1. New conversation
      2. Chris (Robotbeat) 🗽 🖖🏾‏ @Robotbeat 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        Who says we'd leave Earth? Only a tiny number will go to Mars. 0.1% of Earth.

        2 replies 2 retweets 4 likes
      3. 1 more reply
      1. Christopher Larlee‏ @chrislarlee 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        Sun doesn't last forever, have to get out of the solar system eventually

        0 replies 0 retweets 2 likes
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      1. Planet Earth‏ @PIanet_Earth 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        Fix this planet and then go on to colonize. At the moment we would be taking our problems with us.

        0 replies 0 retweets 1 like
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      1. Bonface Witaba  🇧🇷‏ @bswitaba 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        We're destroying the life on earth, then trying to find life on another planet? Humanity must be crazy indeed!

        0 replies 0 retweets 1 like
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      1. Rodolfo Dimer LAURET‏ @rodilauret 14 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        We should go on exploring the universe

        0 replies 0 retweets 0 likes
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      1. Ping‏ @njcleaf 13 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        have to for species insurance/back up, to survive, thrive. We already do this for seeds in two locations on earth

        0 replies 0 retweets 0 likes
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      1. Philipa‏ @Pippyz 12 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        I think all war mongers and rapists, slavers and stoners of women should be given a free trip immediately.

        0 replies 0 retweets 0 likes
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      1. woody walters‏ @walters_woody 11 Feb 2017
        Replying to @calestous @Astro_Ron

        it only takes a small # of earthlings getting to Mars to increase the life expectancy of humanity by billions of yrs

        0 replies 0 retweets 0 likes
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      1. Stolen Dreams‏ @Mukoma59 11 Feb 2017
        Replying to @calestous

        @shonatiger @Astro_Ron @qz I'm sure this is not reference to Africans.

        0 replies 0 retweets 0 likes
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      1. Little Omenden Farm‏ @OmendenFarm 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        We've ruined this planet:we've no right to go on and ruin another.

        0 replies 0 retweets 0 likes
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      1. Emilie‏ @paintsandsings 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        Businesses aim to mine planets , that is what troubles me and many businesses have done it so recklessly on earth

        0 replies 0 retweets 0 likes
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      1. MakeWillie‏ @wills071 11 Feb 2017
        Replying to @calestous @Astro_Ron @qz

        we need conquer weather patterns to our advantage, time is not on our side what if "someone" colonize before us

        0 replies 0 retweets 0 likes
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