Contents | What's New | Image Index | Copyright | Puzzles | Posters | ScienceViews | Search |

PHOTO INDEX OF PRIMARY TARGETS ASTEROIDS COMETS EARTH JUPITER KUIPER BELT MARS MERCURY METEORITES NEPTUNE OORT CLOUD PLUTO SATURN SOLAR SYSTEM SPACE SUN URANUS VENUS ORDER PRINTS OTHER PHOTO INDEXES ALL TARGETS PHOTO CATEGORIES SCIENCEVIEWS AMPHIBIANS BIRDS BUGS FINE ART FOSSILS INDIAN INDIAN MAMMALS OTHER PARKS PLANTS RELIGIOUS REPTILES ROCKS & MINERALS SCIENCEVIEWS PRINTS

Ionized Helium Atmosphere Target Name:   Earth's Aurora Spacecraft:   IMAGE Produced by:   NASA Copyright:  NASA Copyright Free Policy Date Released:  31 May 2000 Related Document IMAGE Spacecraft Takes First Pictures of Electrified Gas Surrounding Earth Download Options Name Type Width x Height Size plasma1.jpg JPEG 640 x 480 21K plasma1.jpg JPEG 1280 x 960 53K plasma1.tif TIFF 1280 x 960 582K Ultraviolet image of sunlight scattered from the Earth's extended atmosphere of helium using the Extreme Ultraviolet Imager instrument. This image shows that the ionized helium atmosphere extends to about 2 - 3 times the size of the Earth. Irregularities at the fringe of the image, such as the upper left, indicate magnetic storm activity. This is the first time such features have been imaged.

Views of the Solar System Copyright © 1995-2008 by Calvin J. Hamilton. All rights reserved. Privacy Statement