Sentences with phrase «galaxy completes an orbit»

Every 12 years, a black hole at the centre of a distant galaxy completes an orbit around an even bigger black hole, marking this with a violent outburst

Not exact matches

In addition to dark matter studies, WFIRST would «complete the demographic survey of planets orbiting other stars, answer questions about how galaxies and groups of galaxies form, study the atmospheres and compositions ofplanets orbiting other stars, and address other general astrophysics questions,» according to the statement from NASA.

These mysterious strictures — tens of thousands of light - years old — did not emerge from the quasar's black hole, but are slowly orbiting their host galaxy, long after the merger was completed.

The star orbits the galaxy's central black hole at an average distance of 5.5 light - days that takes about 15.2 years to complete, at «an inclination of 46 degrees with respect to the plane of the sky» (MPE research introduction).