{
"title": "Planets of the Solar System",
"source": "NASA / mrlongwell.com",
"planets": [
{
"name": "Mercury",
"type": "Terrestrial",
"diameter_km": 4879,
"moons": 0,
"distance_from_sun_million_km": 57.9,
"day_length_hours": 1407.6,
"fun_fact": "A year on Mercury is just 88 Earth days."
},
{
"name": "Venus",
"type": "Terrestrial",
"diameter_km": 12104,
"moons": 0,
"distance_from_sun_million_km": 108.2,
"day_length_hours": 5832.5,
"fun_fact": "Venus spins backwards compared to most planets."
},
{
"name": "Earth",
"type": "Terrestrial",
"diameter_km": 12756,
"moons": 1,
"distance_from_sun_million_km": 149.6,
"day_length_hours": 24,
"fun_fact": "Earth is the only planet not named after a god."
},
{
"name": "Mars",
"type": "Terrestrial",
"diameter_km": 6792,
"moons": 2,
"distance_from_sun_million_km": 227.9,
"day_length_hours": 24.7,
"fun_fact": "Mars has the tallest volcano in the solar system."
},
{
"name": "Jupiter",
"type": "Gas Giant",
"diameter_km": 142984,
"moons": 95,
"distance_from_sun_million_km": 778.5,
"day_length_hours": 9.9,
"fun_fact": "Jupiter's Great Red Spot is a storm older than 350 years."
},
{
"name": "Saturn",
"type": "Gas Giant",
"diameter_km": 120536,
"moons": 146,
"distance_from_sun_million_km": 1432,
"day_length_hours": 10.7,
"fun_fact": "Saturn is less dense than water — it would float."
},
{
"name": "Uranus",
"type": "Ice Giant",
"diameter_km": 51118,
"moons": 28,
"distance_from_sun_million_km": 2867,
"day_length_hours": 17.2,
"fun_fact": "Uranus rotates on its side with an axial tilt of 98 degrees."
},
{
"name": "Neptune",
"type": "Ice Giant",
"diameter_km": 49528,
"moons": 16,
"distance_from_sun_million_km": 4515,
"day_length_hours": 16.1,
"fun_fact": "Neptune has the strongest winds in the solar system."
}
]
}