Planet Hunting

Link: Science & Technology at Scientific Star Shade Could Reveal Earthlike Exoplanets.


Stars shine so brightly that any planets orbiting them are lost in the glow. In fact, astronomers can only detect exoplanets indirectly by their effects on parent stars: either gravitational or, as the planet passes in front, by dimming. But a 50-meter-wide, daisy-shaped star shade could block stellar light, allowing direct observation of their planets, according to a new paper in today’s Nature.

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