The Solar Gravitational Lens will Map Exoplanets. Seriously.
Launch Pad Astronomy · 10 則 HN 推薦
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Explains the proposed NASA JPL plan to use the Sun as a gravitational lens, sending solar sail craft to its focal region to image an exoplanet's surface. It covers the distances involved, how imaging with the Sun would work and the mission design.
HN 推薦的原因： HN strongly recommends it as the clearest, best-illustrated explanation of the solar gravitational lens idea, and links it whenever exoplanet imaging comes up.
“It's got some great graphics and visualisations, and is accessibly narrated.” 閱讀 HN 討論 ↗