KnowraPulsar timing arrayLinked fromLinked fromThe 12 pages that link to Pulsar timing array, each with the reason it gives.All 12Broader topic 2Related 5Compared with 5Gravitational waveRelated: Its observed common-spectrum signal has prompted investigation of a cosmic gravitational-wave background.Gravitational-wave astronomyCompared with: It probes frequencies far below those accessible to ground-based interferometers.PulsarRelated: Arrays search for the low-frequency gravitational-wave background through shared timing shifts.Supermassive black holeRelated: These arrays seek the gravitational-wave background from populations of merging supermassive black holes.Pulsar timingBroader topic: Comparing residuals across the sky searches for low-frequency gravitational waves.LIGOCompared with: Pulsar timing arrays probe far lower frequencies than LIGO’s kilometer-scale interferometers.Gravitational wave detectorsCompared with: It detects very low-frequency waves through timing shifts across the galaxy.Primordial gravitational wavesCompared with: It probes much lower frequencies than CMB polarization searches and may test other early-universe sources.Millisecond pulsarBroader topic: Millisecond pulsars provide the long-term clocks that make the array possible.Square Kilometre ArrayRelated: SKA observations can expand pulsar samples and improve sensitivity to gravitational-wave backgrounds.PSR B1937+21Related: PSR B1937+21 is among the pulsars timed in searches for a gravitational-wave background.Gravitational-wave observatoryCompared with: It probes low-frequency waves through astronomical timing rather than laser interferometry.