image from video taken by High Definition Earth Viewing (HDEV) experiment aboard the ISS
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Space research jeopardised by US-Russia tensions

Tensions between Russia and the United States have reached a new high since the downing of flight MH17 over Ukraine.

Sanctions have been put in place targeting Russia's finance, defence and energy sectors but the Russians may have found a way to hit back - through the space industry.

Science correspondent Rebecca Morelle reports.

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