coronagraph

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…

9 months ago

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…

1 year ago

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…

2 years ago

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!

3 years ago

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.

6 years ago

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…

8 years ago

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…

8 years ago

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)…

13 years ago