Scientists discover distant long-period comets quickly fade away - Phys.org

As comets approach the Sun, they release gas and dust known to astronomers as cometary activity. For comets passing near or inside Earth's orbit, this activity slows over successive orbits. University of Oklahoma astronomer Nathan Kaib has found this same com…

As comets approach the Sun, they release gas and dust known to astronomers as cometary activity. For comets passing near or inside Earth's orbit, this activity slows over successive orbits. Universit… [+4199 chars]

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