A space-based observatory launched in 1990 by NASA and ESA, providing high-resolution images of astronomical objects in visible, ultraviolet, and near-infrared light.
Source: nasa.gov

31/12/1997

28/12/1997

19/12/1997

07/12/1997

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29/11/1997

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04/11/1997

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22/10/1997

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08/10/1997

26/09/1997

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13/08/1997

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31/07/1997

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25/06/1997

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