Thursday, March 02, 2006

Ground-based telescopes 'worthless' by 2050?

Ground-based astronomy could be impossible in 40 years because of pollution from aircraft exhaust trails and climate change, an expert says.
Aircraft condensation trails - known as contrails - can dissipate, becoming indistinguishable from other clouds.
If trends in cheap air travel continue, says Professor Gerry Gilmore, the era of ground astronomy may come to an end much earlier than most had predicted.
Aircraft along with climate change will contribute to increased cloud cover.

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