methuselah star. 3d poster.

astronomy space star galaxy poster nebula universe earth planet circle presentation brand moon midnight astrology infographic background change cosmos design education encyclopedia gas giant information isolated light magnetar massive motion movement nature neutron night orbit orbital planetary pulsar retrograde rotation science sky solar classes stars sun sunlight system technology methuselah metal-poor subgiant years constellation libra boundary ophiuchus milky apparent magnitude oldest star's blueshifted moving away astronomers century high-velocity based vectors proper galaxy motion