Exoplanets appear extremely close to their host stars when observed at astronomical distances.

No wonder few people have a good feel for astronomical distances.

Its outer arms have a high number of Cepheid variables, which are used as standard candles to determine astronomical distances.

It is a planet not far from here, as astronomical distances go.

You have to understand astronomical distances there wasn't a one of those rocks closer than several kilometers away.

Are you telling me that you decided simply by looking through the telescope while still at astronomical distance?

This means they can make themselves felt even over astronomical distances.

You will appreciate that we have many more examples of Class Five, because only they can be detected over astronomical distances.

The vastness of this range, like astronomical distances, can hardly be conceived of.

I suppose your radio transmitter is like ours, not designed to get a message across an astronomical distance.