A Sunflower In Space.

Astronomy and Law

Yesterday I told you about a new telescope design and hinted at an ongoing project for exoplanet discovery.

Space sunflower may help snap pictures of planets

A spacecraft that looks like a giant sunflower might one day be used to acquire images of Earth-like rocky planets around nearby stars. The prototype deployable structure, called a starshade, is being developed by NASA’s Jet Propulsion Laboratory in Pasadena, Calif.

The hunt is on for planets that resemble Earth in size, composition and temperature. Rocky planets with just the right temperature for liquid water—not too hot, not too cold—could be possible abodes for life outside our solar system. NASA’s Kepler mission has discovered hundreds of planets orbiting other stars, called exoplanets, some of which are a bit larger than Earth and lie in this comfortable “Goldilocks” zone.

Researchers generally think it’s only a matter of time before we find perfect twins of Earth. The next step would be to image and…

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