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Astronomy
Hard11×1114 words
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Clues in this puzzle
Across
- A planet's personal brightness rating, not to be confused with libido (6)
- A dying star's dramatic, temporary glow-up (4)
- When the sun, earth, and moon line up to win at Scrabble (6)
- Optical illusion making close stars seem to dance (8)
- Gravity's inescapable groove (5)
- Cloudy boundary where long-period comets are born (4)
- The horizon of no return (5)
Down
- The exact opposite of a peak astronomical experience (5)
- Atmospheric gatecrasher that burns up upon entry (6)
- Subatomic noble holding the universe's mass (6)
- Summer's longest party or winter's shortest gathering (8)
- Weightless messenger carrying all the universe's news (6)
- When a satellite is feeling most distant and aloof (6)
- Halley's famous tail-wagger (5)