... On collisions of comets and asteroids with our planet. Pendleton, Y. and Cruikshank, D. "Life from the Stars?" ... Astronomy, Jan. 1996, p. 78. Edberg, S. and Levy, D. Observing Comets, Asteroids, Meteors, and the Zodiacal Light. 1994. ...
... Asteroid 4859 has been named Asteroid Fraknoi by the International Astronomical Union to honor his work in sharing the excitement of modern astronomy with students, teachers and the public. ...
... Morrison (NASA Ames Research Center) : "Taking a Hit: Asteroid Impacts and Evolution ... Asteroids have hit the Earth many time in the past, and they will continue to hit in ...
... Goldsmith, D. Nemesis. 1985 Walker. Gould, S. "An Asteroid to Die For'' en Discover, Oct. 1989, p. 60. ... Sinnott, R. "An Asteroid Whizzes Past the Earth'' en Sky and Telescope, July 1989, p. 30. ...
... Asteroid Rendezvous (NEAR) was the first mission to orbit and eventually land on an ... hundred years after the first asteroid was discovered, asteroids can no longer be ...
... Asteroid: Any of the thousands of small rocky objects that orbit around the Sun ... The largest asteroid is one called Ceres; it's about as wide as the state of Texas. ...
... In addition, Asteroid 4859 has been named Asteroid Fraknoi by the International Astronomical Union to honor his work in sharing the excitement of modern astronomy with students, teachers, and the public. ...
... They are still around today in more or less their original form. Some of these leftover planetesimals are composed of rock and metal: the asteroids. ...
... Show how the Earth's orbit is almost circular compared to the comet's. Explain that the Sun is at the focus of the orbits of the planets, asteroids, and comets. ...