[
  {
    "id": "pulsar",
    "name": "Pulsar",
    "body_type": "neutron_star",
    "one_line": "A pulsar is a rapidly rotating neutron star whose magnetic poles sweep beams of radiation across space.",
    "facts": [
      "Neutron stars are the collapsed cores left behind by some massive stars after supernova explosions.",
      "A pulsar's radio, X-ray, or gamma-ray pulses are seen when its beam crosses Earth's line of sight.",
      "Pulsars can rotate from a few times per second to hundreds of times per second.",
      "The pulses are extremely regular, which makes some pulsars useful as precise cosmic clocks."
    ],
    "visual_cues": {
      "primary_color": "#8fd7ff",
      "secondary_color": "#f7fbff",
      "emissive": 1.6,
      "beam": true
    }
  },
  {
    "id": "red_giant",
    "name": "Red Giant",
    "body_type": "star",
    "one_line": "A red giant is an aging star that has expanded after exhausting hydrogen fuel in its core.",
    "facts": [
      "As the core contracts, hydrogen fusion continues in a shell around it and the outer layers swell.",
      "Red giants are cooler at their surfaces than Sun-like main-sequence stars, so they appear orange or red.",
      "The Sun is expected to become a red giant late in its life cycle.",
      "Strong stellar winds from red giants can seed nearby space with heavier elements."
    ],
    "visual_cues": {
      "primary_color": "#ff9b5f",
      "secondary_color": "#ffd0a3",
      "emissive": 0.9,
      "beam": false
    }
  },
  {
    "id": "white_dwarf",
    "name": "White Dwarf",
    "body_type": "stellar_remnant",
    "one_line": "A white dwarf is the dense, hot remnant core of a low- or medium-mass star.",
    "facts": [
      "White dwarfs no longer sustain normal fusion in their cores.",
      "A typical white dwarf packs roughly a Sun-like mass into an Earth-sized volume.",
      "They slowly cool over enormous spans of time by radiating stored thermal energy.",
      "In some binary systems, material falling onto a white dwarf can trigger nova outbursts."
    ],
    "visual_cues": {
      "primary_color": "#d7edff",
      "secondary_color": "#ffffff",
      "emissive": 1.2,
      "beam": false
    }
  },
  {
    "id": "accretion_disk",
    "name": "Black Hole Accretion Disk",
    "body_type": "black_hole",
    "one_line": "An accretion disk is a rotating disk of gas heated as it spirals around a compact object such as a black hole.",
    "facts": [
      "Friction and magnetic turbulence in the disk convert orbital energy into heat and radiation.",
      "The black hole itself emits no light, but nearby infalling matter can glow intensely.",
      "Relativistic speeds near a black hole can distort the disk's apparent brightness and shape.",
      "Some accreting black holes launch jets along their rotation axes."
    ],
    "visual_cues": {
      "primary_color": "#ffd166",
      "secondary_color": "#4cc9f0",
      "emissive": 1.8,
      "beam": false
    }
  },
  {
    "id": "emission_nebula",
    "name": "Emission Nebula",
    "body_type": "nebula",
    "one_line": "An emission nebula is a cloud of gas that glows after ultraviolet light from hot stars ionizes it.",
    "facts": [
      "Ionized hydrogen often produces a red glow as electrons recombine with protons.",
      "Many emission nebulae are active star-forming regions.",
      "Dust mixed with the gas can absorb, scatter, and reshape the light we see.",
      "Massive young stars can carve cavities and pillars into surrounding gas clouds."
    ],
    "visual_cues": {
      "primary_color": "#ff4f8b",
      "secondary_color": "#46e0c4",
      "emissive": 0.7,
      "beam": false
    }
  }
]