Showing results by author "David A. Weintraub"

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    • How Old Is the Universe?

    • By: David A. Weintraub
    • Narrated by: Brad Smith
    • Length: 10 hrs and 37 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 19
    • Performance
      4 out of 5 stars 15
    • Story
      4.5 out of 5 stars 15

    Astronomers have determined that our universe is 13.7 billion years old. How exactly did they come to this precise conclusion? How Old Is the Universe? tells the incredible story of how astronomers solved one of the most compelling mysteries in science and, along the way, introduces listeners to fundamental concepts and cutting-edge advances in modern astronomy.

    • 2 out of 5 stars
    • The worst-read audiobook I've ever listened to.

    • By J. D. Stevens on 12-16-12

    Regular price: $24.95

    • Life on Mars

    • What to Know Before We Go
    • By: David A. Weintraub
    • Narrated by: Chris Sorensen
    • Length: 10 hrs and 59 mins
    • Unabridged
    • Overall
      4 out of 5 stars 1
    • Performance
      3 out of 5 stars 1
    • Story
      5 out of 5 stars 1

    Does life exist on Mars? The question has captivated humans for centuries, but today it has taken on new urgency. NASA plans to send astronauts to Mars orbit by the 2030s. SpaceX wants to go by 2024, while Mars One wants to land a permanent settlement there in 2032. As we gear up for missions like these, we have a responsibility to think deeply about what kinds of life may already inhabit the planet - and whether we have the right to invite ourselves in.

    • 4 out of 5 stars
    • Interesting but somewhat tedious

    • By Csaba Turkosi on 08-31-18

    Regular price: $24.49