Hi, Welcome to Spiral, free apps for collaborative learning. You can launch this free activity from here.

7. Direct Imaging of Exoplanets

By Mark Ashworth 29 Sep 15:11
Alpha Centauri angular change area circle astrometry Astronomical transit center mass density Doppler measurement Galileo mission infrared light Kepler methane metrology microlensing optical picometer Planet Finder position radial velocity method SIM Space Interferometry Mission Terrestrial TPF Display all tags
1 slide
Spiral is being used in 142 countries and counting. See what teachers are saying. View more
Sorry, your browser does not support inline SVG.