▽Astronomy Picture of the Day ●04/25 01:49 Discover the cosmos! Each day a different image or photograph of our fascinating universe isfeatured, along with a brief explanation written by a professional astronomer.2025 April 24NGC 6164: A Dragon's EggImage Credit & Copyright: Daniel SternExplanation: Beautiful emission nebula NGC 6164was created by a rare, hot, luminous O-type star, some 40 times as massive as the Sun.Seen at the cen