Accurate measurement of exoplanet radius
Image: Imaginative illustration of Kepler 93b's diameter being measured. Credit: NASA/JPL-Caltech Using both the Kepler and the Spitzer space telescopes, scientists from NASA have made the most p…
Spitzer Space Telescope
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Spitzer has helped choose a near-Earth object the A.R.M. could bring nearer
From its perch up in space, Spitzer can use its heat-sensitive infrared vision to spy asteroids and get better estimates of their sizes. This is what the author of a study that appeared in Astrophysi…