For further exploration
Articles
Asteroids
Asphang, E. “The Small Planets.” Scientific American (May 2000): 46. On asteroids, including results from the NEAR mission.
Beatty, J. “The Falcon’s Wild Flight.” Sky&Telescope (September 2006): 34. On the Japanese mission to asteroid Itakawa.
Beatty, J. “NEAR Falls for Eros.” Sky&Telescope (May 2001): 35. On the first landing on an asteroid.
Betz, E. “Dawn Mission Reveals Dwarf Planet Ceres.” Astronomy (January 2016): 44. First images and discoveries.
Binzel, R. “A New Century for Asteroids.” Sky&Telescope (July 2001): 44. Nice overview.
Boslaugh, M. “In Search of Death-Plunge Asteroids.” Astronomy (July 2015): 28. On existing and proposed programs to search for Earth-crossing asteroids.
Cooke, B. “Fatal Attraction.” Astronomy (May 2006): 46. On near-Earth asteroid Apophis, its orbit, and what we can learn from it.
Durda, D. “Odd Couples.” Astronomy (December 2005): 54. On binary asteroids.
Durda, D. “All in the Family.” Astronomy (February 1993): 36. Discusses asteroid families.
Oberg, J. “2013’s Historic Russian Meteorite Fall” Astronomy (June 2012): 18. On the Chelyabinsk event.
Sheppard, S. “Dancing with the Planets.” Sky&Telescope (June 2016): 16. On Trojan asteroids that “follow” planets like Jupiter.
Talcott, R. “Galileo Views Gaspra.” Astronomy (February 1992): 52.
Yeomans, D. “Japan Visits an Asteroid.” Astronomy (March 2006): 32. On the Hayabusa probe exploration of asteroid Itakawa.
Zimmerman, R. “Ice Cream Sundaes and Mashed Potatoes.” Astronomy (February 1999): 54. On the NEAR mission.
Comets
Aguirre, E. “The Great Comet of 1997.” Sky&Telescope (July 1997): 50. On Comet Hale-Bopp.
Bakich, M. “How to Observe Comets.” Astronomy (December 2009): 50. A guide for amateur astronomers.
Gore, R. “Halley’s Comet ’86: Much More Than Met the Eye.” National Geographic (December 1986): 758. (Also, the March 1987 issue of Sky&Telescope was devoted to what we learned from Halley’s Comet in 1986.)
Hale, A. “Hale-Bopp Plus Ten.” Astronomy (July 2005): 76. The co-discoverer of a naked-eye comet tells the story of the discovery and what followed.
Jewett, D. “Mysterious Travelers: Comet Science.” Sky&Telescope (December. 2013): 18. Nice summary of what we know about comets and questions we have.
Rao, J. “How Often do Bright Comets Appear?” Sky&Telescope (November 2013): 30. Nice summary of bright comets in the last century and what factors make a comet spectacular in our skies.
Sekanina, Z. “Sungrazing Comets.” Astronomy (March 2006): 36.
Sheppard, S. “Beyond the Kuiper Belt.” Sky&Telescope (March 2015): 26. On Sedna and the Oort cloud.
Stern, S. “Evolution at the Edge.” Astronomy (September 2005): 46. How comet nuclei evolve with time.
Talcott, R. “Rendezvous with an Evolving Comet [Rosetta at Comet 67P/C-G].” Astronomy (September 2015): 44.
Tytell, D. “Deep Impact’s Hammer Throw.” Sky&Telescope (October 2006): 34. On the mission that threw a probe at the nucleus of a comet. See also (June 2005): 40.
Weissman, P. “A Comet Tale.” Sky&Telescope (February 2006): 36. A nice review of what we know and don’t know about the physical nature of comets.