Black Holes: Basic Terms

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Clues & word lengths at a glance

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  • 1 Down 6 letters · starts with G

    Star system like the Milky Way; most large ones host a supermassive black hole

    Show answer GALAXY
  • 2 Across 6 letters · starts with Q

    Extremely bright galactic core powered by gas falling into a giant black hole

    Show answer QUASAR
  • 3 Down 3 letters · starts with J

    Beam of plasma shot from a black hole's poles at near light speed

    Show answer JET
  • 4 Across 8 letters · starts with C

    Gravitational ___ of a massive star at life's end can form a stellar black hole

    Show answer COLLAPSE
  • 5 Down 7 letters · starts with L

    Gravitational ___: massive object in front bends the light of a distant source

    Show answer LENSING
  • 6 Down 9 letters · starts with S

    Four-dimensional fabric curved by mass and energy

    Show answer SPACETIME
  • 7 Across 4 letters · starts with W

    Gravitational ___: ripple from accelerating masses, e.g. two merging black holes

    Show answer WAVE
  • 8 Across 11 letters · starts with S

    Centre of a black hole where density is infinite and known physics fails

    Show answer SINGULARITY
  • 9 Across 8 letters · starts with E

    Physicist behind the 1915 theory of general relativity

    Show answer EINSTEIN
  • 10 Across 7 letters · starts with G

    Effect Einstein described as curvature of spacetime caused by mass and energy

    Show answer GRAVITY
  • 11 Down 5 letters · starts with D

    White ___: dense, Earth-sized remnant of a Sun-like star

    Show answer DWARF
  • 12 Across 8 letters · starts with W

    Hypothetical tunnel that would link two distant regions; so far pure theory

    Show answer WORMHOLE
  • 13 Down 5 letters · starts with L

    Not even this can escape a black hole

    Show answer LIGHT