Reasons to Believe

Extrasolar Planets

  • Rare Moon Just Got Rarer

    We owe our very existence to the Moon. Because we are living on a relatively small planet orbited by a single gigantic moon, our planet’s rotation axis tilt is stable, our planet possesses tidal pool … more

  • Why Water Worlds Are Inhospitable to Life

    In the classic poem The Rime of the Ancient Mariner, the thirsty mariner looks out at the ocean surrounding him and declares, “Water, water, every where, / Nor any drop to drink.”1 … more

  • Earth’s Seven Sisters: Are They Really Similar?

    NASA just announced the discovery of the largest ever batch of Earth-size, habitable-zone planets around a single star, 39 light-years away. The star is TRAPPIST-1, otherwise known by its … more

  • Too Much Water Is Bad for Life!

    The mantra for the astrobiology community is “Follow the water”—for good reason. Without liquid water, there is no possibility of life. However, many in the astrobiological community … more

  • Is Our Solar System Common?

    Copernicus showed that Earth is not at the center of the solar system. Further studies show that the sun resides in a rather remote part of the galaxy and that numerous stars host planets. According … 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

  • Would Discovering Aliens Disprove Christianity?

    According to the popular narrative, Copernicus’s assertion that the earth orbited the sun started a relentless process of scientific discovery serving to remove any thought that humanity … more

  • Orbiting a Binary Star

    It’s an iconic scene from Star Wars. Luke Skywalker’s family just acquired two droids with knowledge of the rebellion. While cleaning them, he discovers a distress message that only fuels … more

  • Is Earth Really an Early Bird?

    If humans represent the crown jewel of God’s creation, why did it take billions of years for us to come into the picture? Many people raise this question as an objection to God’s … more

  • Searching for Earth 2.0

    “NASA Finds Earth-like Kepler-452b: Discovery May Help Prove We’re Not Alone”

    “What’s Life like on Kepler-452b? A Little like This, Maybe?”

    “NASA Finds … more

  • A Recap of Unexpected Exoplanet Finds

    As the list of known exoplanets continues to grow (almost 1,800 entries at present), the data indicate that most stars play host to planets—this means tens of billions of planets exist in the … more

  • Exoplanets: What Does Habitable Mean?

    “INCONCEIVABLE!” So repeats the great Vizzini in The Princess Bride to his companions Inigo Montoya and Fezzik. Finally, Inigo replies, “You keep using that word. I do not think it … 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

  • 3 Surprising New Exoplanet Finds

    The Christmas season usually brings the arrival of presents. Although I have few real needs, I enjoy opening these gifts. Mainly, the anticipation of what the gift might contain causes my excitement. … more