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Welcome Home (A new Earth) – Part II – DRH004

Welcome Home (A new Earth) – Part II – DRH004

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Episode 0004 – Welcome Home (A new Earth) - Part II

Welcome Home! The discovery of a new planet for mankind.

In this second part we explain the current techniques being used to detect exoplanets;

Star wobble
Star transit
A starshade
Telescope coronagraph
Gravitational lensing

We covered proposed projects like the Star Occulter (or Starshade). This would use a giant 45m (148ft) daisy-shaped plastic shield, in tandem with a powerful telescope trailing some 15,000km (9,300 miles) behind. The pair would be held in super accurate and stable alignment to give scientists time to image any planets orbiting the star under study and potentially analyse its atmosphere for the chemical signatures of life, or even industry (as we know it).

Then there are scheduled projects like PLATO, specifically designed as planet hunters - “PLATO will be our first attempt to

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