How Astronomers Detect Exoplanets: Methods & Biases
Explore transit, radial velocity, direct imaging, microlensing, and more. Learn biases, missions, and the future of exoplanet detection and characterization.

Guides to help with your Stargazing Adventure

Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
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Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
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Below are a selection of our Articles, to find more click on one of the sections above, or use the Menu at the top of the page.
Explore transit, radial velocity, direct imaging, microlensing, and more. Learn biases, missions, and the future of exoplanet detection and characterization.
Discover what Polaris is, how to find the North Star, why it’s a Cepheid variable, and how to observe or photograph it—navigation, science, and culture in one guide.
Bias, dark, flat, and dark flat frames explained: how many to shoot, how to match exposure, gain, and temperature, and how to build clean master frames.