The first X-ray telescope in astronomy was used to observe the Sun.
The X-ray telescope required little attention from the crew.
X-ray telescopes can use a variety of different designs to image X-rays.
The payload includes one ultraviolet telescope and four X-ray telescopes.
Astronomers say the X-ray telescopes will reveal a unique view of the exploding star.
"The engineers must have turned off the X-ray telescope since the last time I checked."
After that, I want to have the X-ray telescope reactivated.
"Why can't we have the low frequency radio on high digi-talization rate while the X-ray telescope is scanning?"
"The X-ray telescope uses a lot of power, especially when it is in the scanning mode," he said.
Perhaps the X-ray telescope will tell us something.
Wörterbuch für Astronomie