Stars/Active regions/Quiz

Stellar active region is a lecture/article about an entity, source, and/or object observed on or near the surface of the Sun with radiation astronomy.

It is also part of the course on the principles of radiation astronomy.

You are free to take this quiz is based on the lecture stellar active region at any time.

Once you've read and studied it, the links contained within, listed under See also, External links, and in the {{radiation astronomy resources}} and {{principles of radiation astronomy}} templates, you should have adequate background to score 100 %.

Suggestion: Have the lecture available in a separate window.

Enjoy learning by doing!

1. Apparently the active region cycles of the Sun corresponds to the repeated conjunctions of Venus and Jupiter.

• NASA/IPAC Extragalactic Database - NED
• The SAO/NASA Astrophysics Data System
• SIMBAD Astronomical Database

{{Principles of radiation astronomy}}