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National Geographic : 2002 Dec
Contents
VA S #Ar 00 Unhke satellites such pis HrroIH that circle the planet every 90 grin Er+rth Chan ora oririt rites, Chandra orhits Earth every Hubh Sri(, :I 2.6 days. It twvtOIs a thiiri of the stern ur lS way to the moon to allrrvv longer u Ain>n observation time rind to slip heyond Earth's Van Allen radiation belts, which r'an disrupt making. x rays .. Re.. cted x rays i FO( tir'srcri nrirruis X rays alas photons of light with mirrors almost parallel to the the x rays, which p, extremely short wavelengths path of incoming x-rays. These the telescope and f within the electrumagnetlc spec- mirrors totaling mow than a the advanced CCD I tram, They reflect off a mirror toll of glass are the smoothest spectrometer or the only if they graze itatavery ever constructed. The surface lotion camera. Pow low angle, like a stone skipping varies by only ten hilliorrths of panels, the craft us on water. So Chandra's design an inch so that no bumps inter electric ens placed four pairs of nested fore with the precise skip of two handheld hair
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