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At least one comet isn’t quite what astronomers expected, based on the results of NASA’s Stardust mission. Although Wild 2 orbits like a comet, a chemical analysis by scientists indicates that the comet’s composition is asteroidal, resembling objects from the inner solar system’s famous asteroid belt rather than “pristine and ancient materials expected to be deep-frozen in the much more distant Kuiper Belt.”
A comet spends most of its time far from the sun in the deep freeze of space. But once each orbit a comet comes very close to the sun, allowing the sun’s heat to evaporate much of the comet’s ice and dislodge dust to form a beautiful tail. Comets have little mass, so each close pass to the sun greatly reduces a comet’s size, and eventually comets fade away. They can’t survive billions of years.
Kuiper comets capture credit for watering the early Earth. Evolutionary scientists believe that water was needed for the evolution of life but have long debated how the early earth could have been supplied with that water. Now a team from the Max Planck Institute for Solar System Research, analyzing data from the Herschel Space Observatory, has determined that comets from the Kuiper belt may have been that ancient source.
Comets can be breathtakingly beautiful spectacles in the night sky. What do these heavenly objects tell us about the age of our universe and solar system?
Comet ISON’s fate fuels speculation about its origins.
This December the heavens will put on another spectacular show.
Kuiper comets capture credit for watering the early Earth.
Could the destructive impact of a comet construct life on earth?
At least one comet isn’t quite what astronomers expected, based on the results of NASA’s Stardust mission.
Astrobiologist Chandra Wickramasinghe of Cardiff University led a team whose calculations purportedly reveal that “it is one trillion trillion times more likely that life started inside a slushy comet than on Earth.”
Last weekend, in a historic astronomical event, fragment C of comet Schwassmann–Wachmann 3 passed by the famous Ring Nebula (M57).
A camera on the Hubble Space Telescope has recently captured remarkable images of a comet breaking apart. This event has something important to say about the age of the solar system.
The "Deep Impact" spacecraft of NASA is scheduled to rendezvous with Comet Tempel 1 this Fourth of July.
Recently, astronomers have discovered that several KBOs (‘Kuiper Belt Objects’) are binary—they consist of two co-orbiting masses. What are the implications for Creation?
Comets are continually being lost through decay, collisions with planets, and ejections from the solar system. If the solar system were billions of years old, then all comets would have died long ago.
The existence of comets as an argument for a recent creation is examined.
Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ effectively. We focus on providing answers to questions about the Bible—particularly the book of Genesis—regarding key issues such as creation, evolution, science, and the age of the earth.