136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. https://in-the-sky.org/news.php?id=20211017_13_100
136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. https://in-the-sky.org/news.php?id=20211017_13_100