{
  "id": 1012351,
  "title": "Summer Triangle Corner: Deneb",
  "url": "https://urgent.news/2026/08/15/summer-triangle-corner-deneb",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-15T10:00:00.000Z",
  "source": {
    "name": "NASA Science",
    "slug": "nasa-science",
    "url": "https://science.nasa.gov/solar-system/skywatching/night-sky-network/summer-triangle-corner-deneb/"
  },
  "original_language": "en",
  "account": "The constellation Cygnus, also known as the swan, is visible in the night sky all summer long in the Northern Hemisphere. It is one of the few constellations that resembles its namesake and is filled with fascinating celestial objects. Cygnus contains three bright stars that form the Summer Triangle, with Deneb being the northeasternmost and dimmest star. Deneb, meaning tail in Arabic, is located near the Cygnus Loop supernova remnant, also known as the Veil Nebula. This nebula is a gassy leftover from a large star that died and is visible as a faint ring of illuminated gas about three degrees across. Another notable feature in Cygnus is the black hole Cygnus X-1, which was discovered in 1971 and is the first X-ray source widely accepted as a black hole. It is located about 6,070 light years away and is spinning at a rate of over 800 times per second while consuming a nearby star. Cygnus is a fantastic constellation to observe in the summer and offers a variety of celestial wonders to discover with the naked eye, binoculars, or a telescope.",
  "summary": "Bird constellations abound in the night sky, including Cygnus, the majestic swan. Easy to find with its dazzling stars, it is one of the few constellations that look like its namesake, and it is full of treasures. Visible in the Northern Hemisphere all summer long, there’s so much to see and even some things that […] The post Summer Triangle Corner: Deneb appeared first on NASA Science .",
  "key_points": [
    "Deneb is northeasternmost and dimmest star in Summer Triangle",
    "Deneb near Cygnus Loop supernova remnant, Veil Nebula",
    "Cygnus X-1 black hole discovered 1971, 6,070 light years away"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}