A Mysterious Nebula
NASA, ESA, The Hubble Heritage Team
Day 8 of the 2024 Space Telescope Advent Calendar: a mysterious nebula. Details of a complex structure within the Carina Nebula (NGC 3372) are revealed by this image of the Keyhole Nebula, obtained by the Hubble Space Telescope. The picture is dominated by a large, approximately circular feature, which is part of the Keyhole Nebula.