HR 8799 - Wikipedia
HR 8799 is a roughly 30 million-year-old main-sequence star located 133.3 light-years (40.9 parsecs) away from Earth in the constellation of Pegasus. It has roughly 1.5 times the Sun's …
NASA’s Webb Images Young, Giant Exoplanets, Detects Carbon …
Mar 17, 2025 · HR 8799, a young system 130 light-years away, has long been a key target for planet formation studies. The observations indicate that the well-studied planets of HR 8799 …
A Four Planet System in Orbit, Directly Imaged and Remarkable
Jan 25, 2017 · Four planets more massive than Jupiter orbiting the young star HR 8799. The era of directly imaging exoplanets has only just begun, but the science and viewing pleasures to …
HR 8799 (NIRCam Image) | Webb
Mar 17, 2025 · NASA’s James Webb Space Telescope has provided the clearest look yet at the iconic multi-planet system HR 8799. The observations detected carbon dioxide in each of the …
HR 8799 | Description & Facts | Britannica
Mar 25, 2025 · HR 8799, star that has the first extrasolar planetary system to be seen directly in an astronomical image. HR 8799 is a young (about 60 million years old) main-sequence star of …
HR 8799 System (NIRCam image) | ESA/Webb
Mar 17, 2025 · A star symbol marks the location of the host star HR 8799, whose light has been blocked by a coronagraph. The colours in this image, which represent different wavelengths …
See colorful giant exoplanets in astonishing new Webb images
Mar 25, 2025 · HR 8799 is still young compared to our own solar system, only about 30 million years old. Our solar system, on the other hand, is 4.6 billion years old. This means the planets …
Webb images young, giant exoplanets, detects carbon dioxide
Mar 17, 2025 · HR 8799, a young system 130 light-years away, has long been a key target for planet formation studies. The observations indicate that the well-studied planets of HR 8799 …
Webb direct image of HR 8799 exoplanets - BBC Sky at Night …
James Webb Space Telescope's direct image and study of star HR 8799 and the four exoplanets in orbit around it.
JWST captures its first direct images of carbon dioxide outside …
Mar 17, 2025 · The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years …