RIVUXG A Stellar Nursery Full of Brown Dwarfs Besides containing more than 100 young stars, the Rho Ophiuchi cloud, located 540 ly away in the constellation Ophiuchus, contains at least 30 brown dwarfs. By studying these objects, astronomers expect to learn more about early stellar evolution. This infrared image is color coded, with red indicating 7.7-μm radiation and blue indicating 14.5-μm radiation.