Centaurus A Trivia Questions

It's too dim for naked-eye viewing; you need binoculars or a small telescope to spot it in the constellation Centaurus.

At about 12 million light-years, Centaurus A is indeed the nearest active radio galaxy, making it a prime target for study.

In reality, it's actively feeding and launching relativistic jets visible in X-ray and radio images—hardly dormant.

It was the first radio source cataloged in Centaurus by early radio surveys, but the 'A' denotes its brightness, not order of discovery.

Those enormous lobes result from jets slamming into intergalactic gas, extending far beyond the galaxy's visible edges.

Its powerful radio lobes are so bright that amateur astronomers can pick up signals using standard satellite TV equipment.

It's actually a supermassive black hole with about 55 million solar masses—far from small, though not the largest.

That dark band is debris from a spiral galaxy that merged with a giant elliptical about 100 million years ago.