Reasons to Believe

Solar System Design

  • Middle Age Is Good, Especially for Our Sun

    The most elaborate birthday celebration I ever had was the one that our Reasons to Believe staff organized for my 60th birthday. I was expecting just a token nod for having completed 60 trips … more

  • How Did Migration Affect Our Solar System?

    Try to imagine the last collision you witnessed that improved the objects involved. As much as I like collisions, they almost always bring destruction. Similarly, consider what happens when a bowling … more

  • Clouds Cause Problems for Extraterrestrial Life

    When I was a child, my friends and I would sometimes lie on the grass and watch billowing clouds traverse the sky. As they traversed the sky and changed shape, we would call out to one another what … more

  • Are We Alone in the Cosmos?

    My book Improbable Planet, due to be released next week, provides the most extensive explanation and documentation to date about how the entire universe, every event in Earth’s history, and … more

  • Long-Term Habitability Requires a Sun-Earth Twin

    The popular science news outlets are filled with articles claiming that our galaxy is teeming with habitable planets—as many as 40 billion by some estimates. These claims and estimates are based … more

  • Have Astronomers Found Pluto’s Replacement?

    In 1930, American astronomer Clyde Tombaugh discovered a large body in the outer solar system. After analyzing astronomical photographs of the night sky, Tombaugh and colleagues determined this body … more

  • Search for Earth Analogues Reveals Design

    Does life exist beyond Earth? Not surprisingly, searches of the solar system yield no evidence because the only planet (or moon) located in the right place is Earth. However, the discovery of … more

  • Research Rules Out Rogue Planets

    A rogue planet on a collision course with Earth is something science-fiction stories have in common with doomsday theories (such as the 2012 Mayan calendar prophecies). Astronomy, however, has … more

  • Thank God for the Solar System’s Asteroid Belts

    Our solar system possesses five belts of asteroids and comets.

    the Main Belt (between Mars and Jupiter)

    the Centaurs (between Jupiter and Neptune)

    the Scattered Belt (extends from just outside … more

  • Mass Extinction Periodicity Design

    The earth is full of your creatures. There is the sea, vast and spacious, teeming with creatures beyond number —living things both large and small. (Psalm 104:24–25)

    This passage implies … more

  • Thankful for Comets

    Gazing upon the night sky during this holiday season may bring a glimpse of a comet that could put on an impressive display. Through Thanksgiving week, comet ISON (known as C/2012 S1 in more formal … more