By Richard Schmude Jr.
Эта книга описывает различные искусственные спутники, которые можно наблюдать даже не вооружённым взглядом, от Международной Космической Станции и до всевозможных спутников-шпионов разных стран. Ричард Шмуде подробно их описывает, как они могут наблюдаться любителями, как их распознать, и как предсказать их орбиты, как их сфотографировать и какие исследования доступны любителям при таких наблюдениях.
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This soft landing also represents a rendezvous event. 32 Scientific Satellite Spacecraft Fig. 2. The long range reconnaissance imager (LORRI) on the New Horizons spacecraft took this image of Jupiter’s moon Io on March 1, 2007 (Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute). 2. Recent and future ﬂyby missions Spacecraft Entity Target Date Source Stardust Deep impact Rosetta New Horizons Messenger Stardust-NExT Deep Impact (EPOXI) Rosetta Rosetta New Horizons NASA NASA ESA NASA NASA NASA NASA ESA ESA NASA Asteroid 5535 (Annefrank) Comet 9P/Temple 1 Mars Jupiter Mercury Comet 9P/Temple 1 Comet 103P/Hartley Asteroid 2867 (Steins) Asteroid 21 (Lutetia) Pluto November, 2002 July 4, 2005 February 2007 February, 2007 (2008–2009) February 2011 November 2010 2008 2010 July 2015 McDowell (2007h) Schmude (2010) Tytell (2007) Tytell (2007) McDowell (2007g) McDowell (2007h) Sky and Telescope (2011a) McDowell (2008i) Sierks et al.
Much of this was stored in rechargeable lithium ion batteries. These were needed when the Moon blocked the Sun. 46 Scientific Satellite Spacecraft Fig. 10. Frequency ranges for different instruments on Chandrayaan-1. ). Indian engineers built and designed most of the instruments on Chandrayaan-1. It carried out studies of the Moon, the solar wind and the solar wind’s impact on the lunar environment. 10 shows the frequency ranges which different instruments on Chandrayaan-1 measured. 13 summarizes several instruments on board and their purpose.
38. The nearly specular reﬂection of the 11 cm mirror mentioned in the text is illustrated. ). satellite 300 km away would appear four times brighter than if it is 600 km away. Therefore, as a satellite moves gracefully across the sky, its brightness will rise or fall because of its changing distance. Specular reﬂection is different. Examine Fig. 37. Essentially, light is reﬂected in a speciﬁc direction instead of in many directions. One observes this mode of reﬂection with a mirror reﬂecting sunlight in a shaded area.