Spitzer's Trifid El Trifid de Spitzer
The Trifid Nebula, also known as Messier 20, is easy to find with a small telescope. About 30 light-years across and 5,500 light-years distant it's a ... Crédito: NASA, Spitzer Space Telescope La nebulosa Trifid, también conocida como Messier 20, es fácil de encontrar con un pequeño telescopio. Con una...