A Traveler's Guide to Mars [By William Hartmann]
Product Information: Hartmann, William; Softcover; 468 pages; 1.1 x 9.0 x 5.3"; List Price: $18.95.
Product Condition: New bargain book, never read, very good-excellent condition, light shelfwear on cover, remainder mark.
In this extraordinary book - accessible, up-to-date, and prodigiously illustrated with photographs from Mariner 9, Viking, Pathfinder, the Hubble Space Telescope, and the ongoing Mars Global Surveyor spacecraft - visitors will encounter: Olympus Mons, the largest volcano in the solar system; Tharsis Planitia, the "high plains of Mars"; Valles Marineris, an equatorial canyon so vast that America's Grand Canyon would be a mere tributary. Plus: the "face" on mars, the White Rock, the "Canals" of Xanthe - and the first possible evidence of an ancient Martian life-form.
Jan 6, 2011
It's pretty much the only choice.Pros:
Strong Construction,CompactCons: Comments:
This is pretty much the only choice for reticle eyepieces and for finder scopes. And it is only available here. I did purchase another brand a while back that had a flashing feature but it was big, bulky, and broke after first use.Bottom Line: Would you recommend this item? Yes
It would be nice for these things to turn off automatically after a few hours of non use. I just can't seem to remember to turn them off and I'm always replacing batteries.
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