pulsars
Spinning neutron stars
Pulsars are rapidly rotating neutron stars that emit beams of electromagnetic radiation from their magnetic poles.
As the star spins, these beams sweep across space like lighthouse beacons, producing regular pulses detectable from Earth.
The pulses arrive with such precision that pulsars serve as natural cosmic clocks.
Astronomers discovered the first pulsar in 1967.
Ultradense collapsed stellar corpses
- magnetarsHypermagnetic neutron stars
- rotationTurning on an axis
- spinRapid rotation around axis
- supernovaeExploding massive stars
collapse · density · gravitational waves · binary systems · accretion · X-ray · gamma-ray · Crab Nebula
Instruments detecting celestial emissions
- signalsConveyed indications
- AreciboPuerto Rican radio observatory
- interferometryMeasurement using wave combination patterns
- frequencyRate of recurrence
dispersion · antenna · receivers · waveforms · periodicity · data analysis · surveys · sensitivity
Voyaging between distant suns
- triangulationLocation via three points
- positioningArranging in specific locations
- deep spaceRemote regions beyond planets
- autonomous navigationMachine-directed movement through space
reference frames · waypoints · mapping · guidance systems · signal processing
Speculative fiction with technological themes
- popular scienceResearch for general readers
- documentaryFactual film about reality
- wonderAmazement or curiosity
- planetariumProjected sky exhibit hall
neutron stars
Ultradense collapsed stellar corpses
supernovae · collapse · density · gravitational waves · binary systems · accretion · X-ray · gamma-ray · Crab Nebula · beams
radio telescopes
Instruments detecting celestial emissions
- signalsConveyed indications
- AreciboPuerto Rican radio observatory
- interferometryMeasurement using wave combination patterns
frequency · dispersion · antenna · receivers · waveforms · periodicity · data analysis · surveys · sensitivity · bandwidth
interstellar travel
Voyaging between distant suns
- triangulationLocation via three points
- positioningArranging in specific locations
- deep spaceRemote regions beyond planets
autonomous navigation · reference frames · waypoints · mapping · guidance systems · signal processing
science fiction
Speculative fiction with technological themes
- popular scienceResearch for general readers
- documentaryFactual film about reality
- wonderAmazement or curiosity
planetarium · educational · iconic · space exploration · imagination
pulsarsdark matter
Lightless cosmic mass
black holes · rogue planets · magnetars · brown dwarfs · empty space