KnowraX-ray telescopeLinked fromLinked fromThe 6 pages that link to X-ray telescope, each with the reason it gives.All 6Broader topic 3Related 1Narrower topic 1Compared with 1X-ray astronomyRelated: Its grazing-incidence mirrors redirect X-rays that ordinary mirrors cannot reflect at steep angles.Riccardo GiacconiBroader topic: Giacconi advanced focusing X-ray optics, which made resolved images of cosmic sources possible.UhuruCompared with: Unlike later focusing observatories, Uhuru detected X-rays with collimated counters.XMM-NewtonNarrower topic: XMM-Newton is a particularly large and long-lived example of this instrument class.Astronomical instrumentationBroader topic: X-ray observatories measure extreme environments such as accretion disks and hot galaxy clusters.Electromagnetic astronomyBroader topic: X-ray observatories trace hot gas and energetic processes inaccessible from the ground.