7 Earth-Size Planets Orbit Dwarf Star, NASA and European Astronomers SayBy Kenneth ChangNot just one
7 Earth-Size Planets Orbit Dwarf Star, NASA and European Astronomers SayBy Kenneth ChangNot just one, but seven Earth-size planets that could potentially harbor life have been identified orbiting a tiny star not too far away, offering the first realistic opportunity to search for signs of alien life outside the solar system.The planets orbit a dwarf star named Trappist-1, about 40 light-years, or 235 trillion miles, from Earth. That is quite close in cosmic terms, and by happy accident, the orientation of the orbits of the seven planets allows them to be studied in great detail.Continue Reading -- source link
#science#astronomy#astrobiology#trappist 1#exoplanets#the universe