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Are We Alone?

The search for life on other worlds has been compared to identifying a single grain of sand on the Moon, yet the quest goes on despite the lack of concrete evidence to support the existence of other life forms. This edition of 'Space: Flying Visits' examines how the hunt will move forward with the further exploration of Mars and Europa, a moon of Jupiter, before the planned launch of a series of laser-controlled, Earth-orbiting telescopes in 2025.

The facts in this programme were correct at the time of first broadcast.

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9 minutes

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