- http://www.astronomics.com/main/category.asp/catalogname/Astronomics/category
name/V1X41SU50GJB8NX88JQB360067/Page/1 - http://galileo.rice.edu/sci/instruments/telescope.html
- http://www.nrao.edu/whatisra/index.shtml
- http://www.astronomy.pomona.edu/archeo/
- http://www.colorado.edu/physics/PhysicsInitiative/Physics2000/quantumzone/
- http://en.wikipedia.org
Vocabulary
catadioptric telescope Telescopes that use a combination of mirrors and lenses to focus
light.
constellations Patterns of stars as observed from Earth.
electromagnetic radiation Energy transmitted through space as a wave.
electromagnetic spectrum The full range of electromagnetic radiation.
frequency The number of wavelengths that pass a given point every second.
gamma rays A penetrating form of electromagnetic radiation.
infrared light Electromagnetic waves with frequencies between radio waves and red light;
about 1 mm to 750 nanometers.
light-year The distance light can travel in one year; 9.5 trillion kilometers.
microwaves The shortest wavelength radio waves.
planets Around celestial object orbiting a star that has cleared its neighboring region of
planetesimals.
radio telescope A radio antenna that collects radio waves.
radio waves Thelongestwavelengthsoftheelectromagneticspectrum; from1mmtomore
than thousands of kilometers.
reflecting telescope Telescopes that use mirrors to collect and focus light.