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Imagine the Universe! Dictionary

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

... light curve A graph showing how the radiation from an object varies over time. Tell me about light curves light year A unit of length used in astronomy which equals the distance light travels in a year. At the rate of 300,000 kilometers ...


Imagine the Universe! Dictionary

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

... ring of one image should fall on the first dark ring of another image; for an objective lens with diameter d and employing light with a wavelength lambda (usually taken to be 560 nm), the resolving power is approximately given by 1.22 x ...


Electromagnetic Spectrum - Introduction

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

... skin and objects with heat. In space, infrared light helps us map the dust between stars. Visible: Our eyes detect visible light . Fireflies, light bulbs, and stars all emit visible light. Ultraviolet: Ultraviolet radiation is emitted by ...


Imagine the Universe! Dictionary

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

... P Q R S T U V W X Y Z ] (Note - Greek letters are written out by name - alpha, beta etc.) A absorption The process in which light or other electromagnetic radiation gives up its en-ergy to an atom or molecule. absorption line spectrum A ...


Light Curves - Introduction

imagine.gsfc.nasa.gov/docs/science/how_l1/light_curves.html

... Current Page Other Links within this Topic Light Curves, Spectra, Images Light Curves Spectra Images For Educators NCTM & NSES Standards Show me related lesson plans Light Curves and What They Can Tell Us A light curve is a graph which ...


Hubble Observations Shed New Light on Jupiter Collision

www2.jpl.nasa.gov/sl9/hst15.html

Hubble Observations Shed New Light on Jupiter Collision Hubble Observations Shed New Light on Jupiter Collision Donald Savage Headquarters, Washington, D.C. September 29, 1994 (Phone: 202/358-1547) Jim Elliott Goddard Space Flight Center, ...


Light Curves, Spectra, and Images - Introduction

imagine.gsfc.nasa.gov/docs/science/how_l1/analysis.html

... them. Studying the light that comes from a source can tell us a great deal about what kind of object it is -- we can measure the energy of the light coming from the source, we can measure the amount of light coming from the source, and we ...


(S-6) Seeing the Sun in a New Light

pwg.gsfc.nasa.gov/stargaze/Sun6new.htm

(S-6) Seeing the Sun in a New Light Site Map Lesson plan Glossary Timeline Questions & Answers Central Home Page (S-6) Seeing the Sun in a New Light     Index The Sun S-2.Solar Layers S-3.The Magnetic Sun S-3A. Interplanetary       ...


(S-6) Seeing the Sun in a New Light

istp.gsfc.nasa.gov/stargaze/Sun6new.htm

(S-6) Seeing the Sun in a New Light Site Map Lesson plan Glossary Timeline Questions & Answers Central Home Page (S-6) Seeing the Sun in a New Light     Index The Sun S-2.Solar Layers S-3.The Magnetic Sun S-3A. Interplanetary       ...


NASA's Cosmicopia - Basics - Composition - Nucleosynthesis

helios.gsfc.nasa.gov/nucleo.html

... Nucleosynthesis Nucleosynthesis in the News Nucleosynthesis Activities A star's energy comes from the combining of light elements into heavier elements in a process known as fusion , or "nuclear burning". It is generally believed that ...


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