He lives in England and travels widely to study old solar observatories.

A solar observatory is an observatory that specializes in monitoring the Sun.

The first part of their spacewalk was spent replacing film in the solar observatory.

For this purpose solar observatories had been established in Chile and Arizona.

The team manning the solar observatory consisted of two persons, a field director and an assistant.

In January 2007 the spacecraft was converted to a solar observatory.

The solar observatory at the island of Capri, Italy was founded in 1954.

The strange thing is, I've heard nothing from the solar observatories about a big flare.

This is the earliest known solar observatory in the Americas.

It included a laboratory for studying the effects of microgravity, and a solar observatory.