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Challenges facing space exploration.

Answer Text:
Challenges facing space exploration.
(a) Deadly hazards like cosmetics and solar radiation and micro meteorites dangerous to space craft.
(b) Hostile natural environment which is unsuitable for human life making it very expensive.
(c) Extreme temperatures and light intensities, extreme darkness and brightness.
(d) Little research done on heavenly bodies.
(e) Existence of a variety of stereotypes about the space.
- Such difficulties have been overcome through development of new tools and techniques for space navigation.