National Institutes of Health
National Center for Biotechnology Information: Level of Consciousness
Explains the difference between normal and abnormal states of consciousness, and the stages of abnormal states. Describes two scales for measuring the level of consciousness of a patient in a coma, medical techniques used for an...
Other
University of Leicester: Comets
A detailed look at comets. Content outlines our observational history, as well as the origins of comets and an explanation of the appearance of comets.
National Institutes of Health
Ninds: Coma and Persistent Vegetative State Info Page
Loads of answers to just about any question you may have about comas. This site discusses what coma is, whether there is treatment, what the prognosis might be like, research on comas, and more.
National Institutes of Health
Ninds: Traumatic Brain Injury Information Page
Description of traumatic brain injury, which can lead to a coma. Discusses what TBI is, how it is treated, what the prognosis might look like, and research that is being done in the movie.
NASA
Nasa: Comet Hale Bopp Images
This site contains 5,161 images of the Hale-Bopp comet from 1995 to 2000. This incredible photo archive is definitely worth a visit.
PBS
Coma
Follow the story of a little boy struck by a car and in a coma. Test your knowledge about the brain.
Other
Cometography.com: 24 P/schaumasse
This site provides a detailed overview of the comet 24P/Schaumasse. Content includes discovery information, images, and historical highlights.
Other
Cometography.com: C/1956 R1 (Arend Roland)
This site provides a detailed overview of the comet C/1956 R1 (Arend-Roland). Content includes discovery information, orbit, images, and historical highlights.
Other
Cometography.com: C/2001 A2 (Linear)
This site provides a wealth of information regarding the C/2002 A2 (Linear) comet, including historical and discovery information.
Other
Cometography.com: C/1996 Q1 (Tabur)
This site provides a detailed overview of the comet C/1996 Q1 (Tabur). Content includes discovery, observational, and orbit information, as well as several images.
Nine Planets
The Nine Planets: Comets
A detailed description of comets, their distinct parts, and the known comets in our solar system. Links are also provided for additional information on related subjects.
Other
Health Communities: Coma
This site gives detailed yet easily understandable information on what a coma is, how it affects the brain, and the different treatments that are used to bring a person out of one.
Other
Psychology Today: Sleep and Your Different States of Consciousness
Describes the various sleep-related states of consciousness. (Published Jan. 13, 2011)
Ducksters
Ducksters: Astronomy for Kids: Comets and Meteors
Kids learn about comets and meteors in the science of astronomy including the coma and tail, meteorites, meteoroids, the Kuiper belt, and the Oort cloud.
Curated OER
Nasa: Space Place: Halley's Comet
Halley's Comet looks fuzzy because of the coma around it.