[EDWARD] HARRISON, MASKS OF THE UNIVERSE — [E]lectrons do not move in clear-cut orbits like... celestial bodies. ... [T]hey dance, and the atom is a ballroom. They perform stately waltzes, weave curvaceous tangos, jitter in spasmodic quicksteps, and rock to frenetic rhythms.
| A. | Composer of "The Planets" | HOLST |
| B. | Graph line showing another line's limits | ASYMPTOTE |
| C. | Engine used to propel missiles | RAMJET |
| D. | English law regarding disturbing the peace, repealed in 1973 (2 wds.) | RIOTACT |
| E. | Title role for a Wagnerian soprano | ISOLDE |
| F. | Break down, in a way (2 wds.) | SHEDTEARS |
| G. | Vociferously negative reaction | OUTCRY |
| H. | Maker of Mallomars and Chips Ahoy! | NABISCO |
| I. | Like clockwork, e.g. | MECHANIZED |
| J. | Treacherous but lamented son of David | ABSALOM |
| K. | Change for the worse | SETBACK |
| L. | Acted as a sentinel (2 wds.) | KEPTWATCH |
| M. | Coal-producing region of Poland | SILESIA |
| N. | Available to be seen (2 wds.) | ONVIEW |
| O. | Doughy carnival treat | FRITTER |
| P. | Troubled heavyweight champ of the 1980s | TYSON |
| Q. | Serene and tranquil; glorious | HALCYON |
| R. | Avon or Inverness, e.g. | EARLDOM |
| S. | Not revealed, incalculable | UNTOLD |
| T. | Ferromagnetic metal mined near Riddle, Ore. | NICKEL |
| U. | Active, as a law; en masse (2 wds.) | INFORCE |
| V. | Jazz record label since 1956 | VERVE |
| W. | Ford model replaced by the Focus | ESCORT |
| X. | Slow to speak, close-mouthed | RETICENT |
| Y. | Frost protection in a citrus grove (2 wds.) | SMUDGEPOT |
| Z. | Matches or ties; peers | EQUALS |