Reasons to Believe

Extrasolar Planets

  • Debris Disks and Planets Show Solar System Design

    Analysis of objects orbiting stars has provided evidence for the supernatural design of our solar system.

    Nearly every young stellar object that is in or adjacent to the spiral arms of the Milky Way … more

  • Suicidal Planet Seems on Death Spiral into Star

    Source: Yahoo! News, AP Science, "Suicidal Planet Seems on Death Spiral into Star," by Seth Borenstein, August 26, 2009; more

  • The Tidal Habitable Zones

    Habitable zones support an important line of evidence for the supernatural design of life-friendly planets. Two such locations include the water and the ultraviolet radiation habitable zones. A planet … more

  • How Unlikely Is Our Planetary System?

    The year 1995 marked the first time astronomers discovered an extrasolar planet.1 It was found orbiting the star 51 Pegasi. Today, scientists know of more than 350 planets residing outside the solar … more

  • Through the Lens: Astronomy, "Habitable Zones" (High Definition)

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    Discussion Ideas

    Before watching the video:

    Activity: Research the term "habitable zone." What does it entail? What are the key criteria that scientists consider when classifying a … more

  • A Complete Sample of Extrasolar Planets

    Researchers first detected a star-orbiting planet outside the solar system in 1995.1 It was found orbiting the star 51 Pegasi. Today, astronomers know of 347 extrasolar planets. While this is not a … more

  • Lightest known Exoplanet Discovered

    Source: Yahoo! News, "Lightest known Exoplanet Discovered" April 21, 2009; more

  • Earth-Like Planet Found Around Sun-Like Star

    Source: Yahoo! News, "Earth-like Planet Found Around Sun-Like Star," February 03, 2009; more

  • Coreless Terrestrial Planets

    As I described in last week’s Today’s New Reasons To Believe, two MIT planetary scientists added to the list of these features. Their modeling of the formation history of planets the size … more

  • Rare Solar System Location

    The solar system’s current position (in between two nearby exceptionally symmetrical and widely separated spiral arms that are devoid of any significant spurs or feathers) keeps the solar … more

  • Huge Planet Defies Explanation

    Source: Yahoo! News, "Huge Planet Defies Explanation," October 6, 2008 more

  • Too Much Sulfur

    Sulfur plays a crucial role in life chemistry. This fact became personal for me a year ago when I was diagnosed as sulfur deficient. Many protein functions crucially depend on sulfur. Fortunately, … more

  • Why Jupiter and Saturn Have No Twins

    Likewise, the discovery of over 300 extrasolar gas giant planets combined with spacecraft missions to explore the outer solar system is beginning to establish the rare gas giant planet system … more

  • Photosynthesis Is Not Enough

    This event occurred approximately 2.4 billion years ago. The oxygen content of Earth’s atmosphere rose from just one thousandth of a percent (10-5) of its present level (about 21 percent of the … more

  • Milky Way Galaxy’s Tiny Black Hole

    The latest and most definitive measurement puts the mass of that black hole at 3,600,000 times the mass of the Sun.1

    The Milky Way Galaxy’s central black hole by itself is not dangerous to … more