Astronomers using the Near-Infrared Camera (NIRCam) onboard the NASA/ESA/CSA James Webb Space Telescope have captured coronagraphic images of the HR 8799 and 51 Eridani planetary systems. These observations have revealed the four known gas-giant planets encircling HR 8799 and one planet around 51 Eridani. They have also revealed that all HR 8799 planets are rich in carbon dioxide.
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