Reasons to Believe

Extrasolar Planets

  • 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)

    Video Url: http://c450919.r19.cf2.rackcdn.com/ttl_astronomy_habitablezone.mp4

    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; http://news.yahoo.com/s/space/20090421/sc_space/lightestknownexoplanetdiscovered more

  • Earth-Like Planet Found Around Sun-Like Star

    Source: Yahoo! News, "Earth-like Planet Found Around Sun-Like Star," February 03, 2009; http://news.yahoo.com/s/space/20090203/sc_space/earthlikeplanetfoundaroundsunlikestar 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
http://news.yahoo.com/s/space/20081006/sc_space/hugeplanetdefiesexplanation 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

  • Is the Sun Unique?

    A few months ago, Hugh Ross discussed efforts by various astronomers to find a twin of the Sun using six different star properties. Only four or five stars out of more than 100,000 had characteristics … more

  • More Evidence for the Design of Earthquake Activity

    In the December 2007 issue of Astrobiology Stanford University geophysicists Norman H. Sleep and Mark D. Zoback note that the higher tectonic activity during Earth’s early history could have … more