Using the quick search there are shown up to three reports about XMM-Newton:
"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...
Physik Astronomie |Astronomers have been on the trail of this mysterious object since 1997 when they discovered that something was giving off X-rays near the bright star HD 49798. Now, thanks to XMM-Newton’s superior se...
Physik Astronomie |The finding in a distant galaxy approximately 290 million light years from Earth is reported today in the journal Nature.Until now, identified black holes have been either super-massive (several milli...
Physik Astronomie |Using the fulltext-search for the word XMM-Newton you can set up serveral searching-options > choose search options