Clues & word lengths at a glance
Stuck on a clue? Here you can check the number of letters, the first letter, or reveal the answer for each clue.
- 1 Down
In one candidate theory, particles are tiny vibrating ___
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STRINGS - 2 Down
Common centre of mass that two or more orbiting bodies revolve around
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BARYCENTRE - 3 Across
___ force: stretching effect because gravity pulls harder on the near side
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TIDAL - 4 Down
Dark ___: invisible stuff whose gravity holds galaxies together
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MATTER - 5 Across
Free ___: motion under gravity alone, with no air resistance
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FALL - 6 Down
Einstein's 1915 theory that treats gravity as curved spacetime, not a force
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RELATIVITY - 7 Down
Gravitational ___: bending of light that can magnify or multiply images
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LENSING - 8 Down
Straightest possible path through curved spacetime, taken by a free-falling body
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GEODESIC - 9 Across
___ point: a small object keeps a fixed position relative to two large bodies
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LAGRANGE - 10 Down
___ scale: tiny scale where quantum effects of gravity can no longer be ignored
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PLANCK - 11 Across
___ principle: gravity's field is locally indistinguishable from accelerating
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EQUIVALENCE - 12 Across
Gravitational ___ (G): sets gravity's strength, 6.674 × 10⁻¹¹ N·m²/kg²
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CONSTANT