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Starshade Will Help Space Telescope To Search For Exoplanets
A starshade would accompany a future space telescope and block the light of an individual star to enhance the study of exoplanets orbiting that star.
A future starshade mission would involve two spacecraft. One would be a space telescope on the hunt for planets orbiting stars outside of our solar system. The other spacecraft would fly some 25,000 miles (40,000 kilometers) in front of it, carrying a large, flat shade. The shade would unfurl like a blooming flower — complete with "petals" — and block the light from a star, allowing the telescope to get a clearer glimpse of any orbiting planets. But it would work only if the two spacecraft were to stay, despite the great distance between them, aligned to within 3 feet (1 meter) of each other. Any more, and starlight would leak around the starshade into the telescope's view and overwhelm faint exoplanets.(Via NASA: Starshade Would Take Formation Flying to Extremes.)
In his thrilling 1936 story Cosmic Quest, Golden Age phenom Edmond Hamilton created an elaborate device to search for habitable planets:
And each mechanical eye, when it found planetary systems in its field, automatically shifted upon them a higher powered telespectroscope which recorded on permanent film the size, mean temperature and atmospheric conditions of these worlds.
(The telespectroscope recorded the conditions of these other worlds)(Read more about the telespectroscope)
Speaking of Thrilling Wonder Stories, take a look at these real life wonder stories of the search for habitable exoplanets:
- Looking For Earth-Like Worlds With Nulling Interferometry
- Europe's Cheops To Look For Habitable Planets
- Automated Planet Finder Telescope Starts The Hunt
- NASA’s Transiting Exoplanet Survey Satellite (TESS) Looks Nearby
- Confirm 100 Exoplanets At Once! (With Video)
- Caltech's ET Laboratory Looks For New Earths
- Rapid Automated Search For Habitable Planets Needed
- Espresso Telescope Searches For Exoplanets
Scroll down for more stories in the same category. (Story submitted 6/7/2019)
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Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.
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