We Can Do More Exoplanet Science By Understanding the Dark Edge of It's Star

October 04, 2025 Universe Today

We Can Do More Exoplanet Science By Understanding the Dark Edge of It's Star
By Brian Koberlein (https://ift.tt/2FKrRtI)

Image of the Sun during a transit of Venus. Sunspots can be seen as well as the shadow of Venus can be seen at the upper right. The edge of the Sun is slightly darker, which is an effect known as limb darkening.

By modeling the limb darkening of a star, astronomers can get a better measure of the transit depth of an exoplanet. This will allow us to get better measurements of the size of exoplanets.

October 4, 2025 at 09:27PM
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