... This is a phenomenon that is another consequence of the binary system at the heart of the nebula. ... The two stars at the heart of the nebula circle one another roughly every 100 years. ...
... As the star at the heart of this nebula made its final transition into retirement, it shed its outer layers into space, forming this colorful cloud. ...
... The pulsar at the heart of this nebula has been identified with the lower right of the two close stars near the geometric center of the nebula, immediately left of the small arc-like feature. ...
... Thanks to our models and observations, which let us examine this unusual system in great detail and peer right into the heart of the nebula, we found the pair to be several thousand times closer." ...
... In this case, energy from the neutron star at the heart of the nebula appears to have ionized the argon, which then joined with molecules of hydrogen to form the molecular ion ArH+. ...
... the cluster identified as a separate entity is only a slightly older sibling of the Trapezium cluster at the heart of the Orion Nebula; second, what astronomers have been calling the Orion Nebula Cluster (ONC) is actually a complicated mix of these two ...
... This image shows the heart of the Orion Nebula, the stellar nursery where the identical twin stars were spotted. European Southern Observatory. ...