We don't want to sound big-headed, but the solar system actually fits within Sweden! 🌌 ☀️ Sweden Solar System is the world’s largest model of the planetary system, to our knowledge. The Sun is represented by the Avicii Arena in Stockholm, one of the largest spherical buildings in the world. The planets are lined up in a northern direction from there. All in a scale of 1:20 million. 🪐 The scale is true to reality, but the planet models are pieces of art and not true depictions of the actual pla

The missions of our New Frontiers Program are already unlocking the secrets of asteroids, Jupiter and the far reaches beyond Pluto. 🛰 Today we'll unveil the next expedition of exploration. Watch the announcement on NASA Science Live at 4pm ET on this page or http://go.nasa.gov/31ROsEh | NASA Solar System Exploration