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Imagine the Universe! Dictionary

imagine.gsfc.nasa.gov/docs/dict_qz.html

... A spiral galaxy whose nucleus shows bright emission lines; one of a class of galaxies first described by C. Seyfert. shock wave A strong compression wave where there is a sudden change in gas velocity, density , pressure and temperature. ...


Imagine the Universe! Dictionary

imagine.gsfc.nasa.gov/docs/dict_ei.html

... sizes or ages. frequency A property of a wave that describes how many wave patterns or cycles pass by in a period of time. Frequency is often measured in Hertz (Hz), where a wave with a frequency of 1 Hz will pass by at 1 cycle per second. ...


AstroGravS: Astrophysical Gravitational-Wave Sources Archive

astrogravs.gsfc.nasa.gov/

AstroGravS: Astrophysical Gravitational-Wave Sources Archive   Waveform Catalog Liter-ature Catalog Mock LISA Data Challenge Other LISA Resources Ground-Based Detectors Meetings & Presentations Proposal Info & Deadlines Jobs News / ...


(S-5) Waves and Photons

pwg.gsfc.nasa.gov/stargaze/Sun5wave.htm

... of electricity and magnetism allowed a wave to exist, propagating at the speed of light. The drawing below illustrates such a wave--green is the magnetic part, blue the electric part--the term Maxwell added. The wave is drawn propagating ...


(S-5) Waves and Photons

istp.gsfc.nasa.gov/stargaze/Sun5wave.htm

... of electricity and magnetism allowed a wave to exist, propagating at the speed of light. The drawing below illustrates such a wave--green is the magnetic part, blue the electric part--the term Maxwell added. The wave is drawn propagating ...


Gravitational Waves

imagine.gsfc.nasa.gov/docs/features/topics/gwaves/gwaves.html

... measurements of the distance between each of the test masses. The masses are free to move so that when a gravitational wave passes, the distance between the masses will fl-uctuate. That is, space-time will be stretched. The lasers record ...


Electromagnetic Spectrum - Introduction

imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html

... Doctors use gamma-ray imaging to see inside your body. The biggest gamma-ray gen-erator of all is the Universe. Is a radio wave the same as a gamma ray? Are radio waves co-mpletely different physical objects than gamma-rays? They are ...


Electromagnetic Waves

www-spof.gsfc.nasa.gov/Education/wemwaves.html

... of electricity and magnetism allowed a wave to exist, propagating at the speed of light. The drawing below illustrates such a wave--green is the magnetic part, blue the electric part--the term Maxwell added. The wave is drawn propagating ...


WIND-WAVES

ssed.gsfc.nasa.gov/waves/

... Team Members WIND-WAVES: The Radio and Plasma Wave Investigation on the WIND Spacecraft The WAVES investigation on the WIND spacecraft provides comprehensive co-verage of radio and plasma wave phenomena in the frequency range from a ...


Electromagnetic Waves

istp.gsfc.nasa.gov/Education/wemwaves.html

... of electricity and magnetism allowed a wave to exist, propagating at the speed of light. The drawing below illustrates such a wave--green is the magnetic part, blue the electric part--the term Maxwell added. The wave is drawn propagating ...


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