Articles on X-Ray Astronomy, Including - X-Ray Background, Messier 15, Tau Scorpii, Cygnus Loop, Cygnus X-3, X-Ray Telescope, Ultraluminous X-Ray Source, 12 Camelopardalis, MS 0735.6+7421, Ngc 4151, Grs 1124-683, G117-B15a (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Hephaestus Books represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Hephaestus Books continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge. This particular book is a collaboration focused on X-ray astronomy.More info: X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray emission from celestial objects. X-radiation is absorbed by the Earth's atmosphere, so instruments to detect X-rays must be taken to high altitude by balloons, sounding rockets, and satellites. X-ray astronomy is part of space science.