Quantum foam
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What links here
Blazar
BL Lacertae object
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Lacerta
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Radio galaxy
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Seyfert galaxy
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Astronomical object
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3C 273
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Coma Berenices
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Active galactic nucleus
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Astronomy
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Cosmic ray
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Serpens
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Redshift
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Quasar
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Positron
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Piscis Austrinus
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Galaxy
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Faster-than-light
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Canes Venatici
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