Scientists think they just found the most important planet outside our solar system - Los Angeles Times
Light-year - Wikipedia
2 Earth-size worlds revealed beyond our solar system | CNN
Kepler-69 and the Solar System
Red dwarf passed within just 0.8 light years of our solar system | Daily Mail Online
Jupiter-like planet discovered outside our solar system | University of California
3D map of stellar systems in the solar neighbourhood | ESO
2 Earth-size worlds revealed beyond our solar system | CNN
Solar system with three Earth sized planets discovered just 160 light years away
Solar system: 9 light hours diameter. Spiral galaxy: 80,000 light years diameter. - ppt download
Milky Way galaxy: Facts about our cosmic neighborhood | Space
Solar System, in Perspective | NASA
Diameter of the Solar System - Universe Today
EarthSky | Proxima Centauri, closest star to our sun
Only 10 Light-Years Away, there's a Baby Version of the Solar System - Universe Today
New planet similar to Earth discovered: How far is 600 light years away? - The Washington Post
How Big is the Universe? | Size, Why So Big, Infinite & Facts
Two planets, including 'Super Earth,' discovered 120 light-years away
Another 8-Planet Solar System Discovered 2,500 Light Years Away - YouTube
Astronomical Unit compared to a Light-Year - YouTube
Kepler-62 and the Solar System | NASA
The 10 most Earth-like exoplanets | Space
How big is Solar System in terms of light-years? - Quora
Solar system 2.0 found 10 light-years away - The Economic Times
The Size and Scale of the Universe – Daniel's Astronomy Blog
