... Cosmic bullets pierce the outskirts of the Orion Nebula some 1500 light-years distant in this sharp infrared close-up. ... Open Star Clusters M35 and NGC 2158 . ... Open clusters of stars can be near or far, young or old, and diffuse or compact. ... Bright blue stars frequently distinguish younger open clusters. ... Some 7,000 light-years away, though, this pair of open or galactic star clusters is an easy binocular target, a lovely starfield in the northern constellation Perseus. ...