coronagraph
By Blocking the Light From a Star, Webb Reveals the Dusty Disk Surrounding It
AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…
Dust Might Reveal the Presence of Habitable Planets
NASA's next great space telescope should launch no later than 2027. The Nancy Grace Roman Space Telescope is a powerful…
Modern Solar Eclipse Science: Huge Coronal Mass Ejection Caught in Action
There’s an old adage that says there is ‘nothing new under the Sun…’ but that doesn’t apply when it comes…
There are Natural Starshades Out There, Which Would Help Astronomers Image Exoplanets
A new study by an international team of astronomers has shown that eclipsing binary stars could act as a natural…
WFIRST Gets its Coronagraph, to Block the Light of Stars and Reveal Their Planets
The coronagraph instrument, which will help NASA's WFIRST mission to search for exoplanets, just passed a major milestone!
Rise Of The Super Telescopes: The Wide Field Infrared Survey Telescope
When the WFIRST observatory comes online in the mid 2020s, it will take images 100 times larger than the Hubble.
Kamikaze Comet Loses its Head
Like coins, most comet have both heads and tails. Occasionally, during a close passage of the Sun, a comet's head will…
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Making Cubesats do Astronomy
One doesn't take two cubesats and rub them together to make static electricity. Rather, you send them on a brief space voyage…
Could An Amateur Astronomer Snap a Picture of an Exoplanet?
[/caption] Using their backyard telescope, today? No; however, this image of three exoplanets required just 1.5 meters (diameter; 60 inches)…