2 ms·
It seems to be 129 light years away, not 179. astrobiology.nasa.gov, the Open Exoplanet Catalogue, space.com, britannica.com all say it's (about) 129 light yea
by yesenadam 8y ago
It seems to be 129 light years away, not 179.
astrobiology.nasa.gov, the Open Exoplanet Catalogue, space.com, britannica.com all say it's (about) 129 light years away. Wikipedia says 129±4.
https://en.wikipedia.org/wiki/HR_8799 https://en.wikipedia.org/wiki/HR_8799
http://www.openexoplanetcatalogue.com/planet/HR%208799%20e/ http://www.openexoplanetcatalogue.com/planet/HR%208799%20e/
https://www.britannica.com/place/HR-8799 https://www.britannica.com/place/HR-8799
https://astrobiology.nasa.gov/news/a-four-planet-system-in-orbit-directly-imaged-and-remarkable/ https://astrobiology.nasa.gov/news/a-four-planet-system-in-o...