Within the next month or so four new planetary CD-ROM sets will be available from NSSDC. The Viking Lander Experiment Data Record (EDR) Archive set, produced by the Planetary Data System, will contain all the raw images taken in the mid-1970s by the Viking Landers on two volumes, images from Viking 1 on one CD-ROM and Viking 2 on the other. The images, all black and white, vary in size from narrow-angle views of the terrain to wide-angle panoramas. Information on the image time, filters, and lighting conditions is also contained on the CDs.
Viking Lander image of the Martian surface
A set of 15 CDs containing base map mosaics of the Moon produced from images taken by the Clementine spacecraft will be arriving in late September or early October 1997. Volumes 1 through 14 of this set will contain mosaics covering the Moon by geographic sector at a resolution of 100 meters/pixel. Volume 15 will contain global mosaics at 500, 2,500, and 12,500 meters/pixel. The mosaics are all in sinusoidal equal-area projection and were created using 43,000 visible images taken by the Clementine UV/Visible camera over a two-month period in 1994. These CD-ROMs were produced by the United States Geological Service (USGS) Astrogeology Branch.
Clementine image of the Moon featuring Messier Craters.
Also, two new CD-ROM sets of Pioneer Venus mission data have recently become available from the Planetary Data System. The first is a two CD-ROM set that consists of data from the orbiter Electron Temperature Probe (OETP) instrument (including high- and low-resolution data of electron density as well as other data) and covers the time span of the mission. The second set is a single volume CD-ROM that consists of data from the orbiter Neutral Mass Spectrometer (ONMS) instrument (including high-resolution and 12 s sub-sampled neutral density as well as other data) and covers the time span of the mission as well.
More information on these as well as other CD-ROMs available through NSSDC can be found in the on-line CD-ROM catalog at http://nssdc.gsfc.nasa.gov/cd-rom/. An ordering capability is also available on these pages.
Erin D. Gardner, email@example.com, (301) 286-0163
Hughes STX, Code 633, NASA Goddard Space Flight Center
Greenbelt, MD 20771, U.S.A.