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Eclipse/Coronagraphy Animation

During an eclipse, the Moon blocks the light of the Sun, allowing us to view stars that would normally be overwhelmed by the Sun’s glare. Similarly, a coronagraph acts as an “artificial eclipse” to block the light from a star, allowing planets that would otherwise be lost in the star’s glare to be seen.
  • Release Date
    May 29, 2019
  • Science Release
    A New View of Exoplanets with NASA’s Upcoming Webb Telescope
    Read the release
  • Credit
    Video: NASA, ESA, CSA, Leah Hustak (STScI)

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Related Images & Videos

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Labeled image of star HR 4796A’s circumstellar disk as seen by the Hubble Space Telescope.

Circumstellar Disk Around HR 4796A (Hubble)

One of the targets Webb will study is the well-known, giant ring of dust and planetesimals orbiting a young star called HR 4796A. This Hubble Space Telescope photo shows a vast, complex dust structure, about 150 billion miles across, enveloping the young star HR 4796A. (The...

Title text, "How Do We Find Exoplanets?" next to an Earth-like planet

How Do We Find Exoplanets?

How can we detect planets around other stars? Planets are very faint and small compared to the stars they orbit. To overcome this challenge, scientists use a variety of techniques to find and characterize them. Production Details Produced by the Space Telescope Science...

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Details

Last Updated
Aug 28, 2025
Contact
Media

Laura Betz
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
laura.e.betz@nasa.gov

Video Credit

NASA, ESA, CSA, Leah Hustak (STScI)

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