| A billion years, to Hubble | 26 |
| Extremely long time frames | 26 |
| Long periods, geologically | 26 |
| She's a morning person | 26 |
| She was also called Aurora | 26 |
| Rosy-fingered dawn goddess | 26 |
| Lover of Tithonus, in myth | 26 |
| Camera named for a goddess | 26 |
| WasteWise watchdog (abbr.) | 26 |
| Emissions watchdog (abbr.) | 26 |
| Air-quality monitor: Abbr. | 26 |
| U.S. air pollution monitor | 26 |
| Sustainable practices grp. | 26 |
| Org. that cleans up spills | 26 |
| Org. headed by Ruckelshaus | 26 |
| It tests the waters: abbr. | 26 |
| Grp. involved in a cleanup | 26 |
| Grp. concerned with m.p.g. | 26 |
| Govt. air-quality watchdog | 26 |
| Government org. since 1970 | 26 |
| Frequent GOP debate target | 26 |
| Emissions regulator: Abbr. | 26 |
| Florida tourist attraction | 26 |
| Florida theme park acronym | 26 |
| Central Florida attraction | 26 |
| Weapon with a fluted blade | 26 |
| There's no point to it | 26 |
| Sword with no cutting edge | 26 |
| Sword used in the Olympics | 26 |
| Sport where masks are worn | 26 |
| Someone in a mask waves it | 26 |
| Piece of Olympic equipment | 26 |
| Foil's duller relative | 26 |
| Equipment used for fencing | 26 |
| Electronically scored duel | 26 |
| Sword not intended to harm | 26 |
| Olympics event with swords | 26 |
| It has a button on its tip | 26 |
| Fencer's blunted blade | 26 |
| Equipment for pentathletes | 26 |
| Weapons with a pistol grip | 26 |
| Prefix with center or gram | 26 |
| Prefix with gram or center | 26 |
| Prefix with style or spore | 26 |
| Prefix with graph and gram | 26 |
| Prefix for center or graph | 26 |
| It might be left of center | 26 |
| "Center" lead-in | 26 |
| "Beowulf" is one | 26 |
| "Roots," for one | 26 |
| "Iliad," for one | 26 |
| Not just an ordinary novel | 26 |
| It has a cast of thousands | 26 |
| Heroic in scale, moviewise | 26 |
| Word for Homer's works | 26 |
| Like the "Iliad" | 26 |
| Like many a Bollywood film | 26 |
| Like "Star Wars" | 26 |
| James Michener novel, e.g. | 26 |
| Donovan's record label | 26 |
| "Thriller" label | 26 |
| "Iliad," notably | 26 |
| "Beowolf" is one | 26 |
| ___ fail (big thumbs-down) | 26 |
| Connoisseur of fine dining | 26 |
| Serious flu outbreak, e.g. | 26 |
| Literary postscript (Var.) | 26 |
| Like Bush Sr., religiously | 26 |
| "Star Trek" unit | 26 |
| Poetic form used by Horace | 26 |
| Romulus, vis-Ã -vis Rome | 26 |
| Name derived from a person | 26 |
| Series of important events | 26 |
| Heroic poetry, Greek style | 26 |
| "Theogeny," e.g. | 26 |
| Marner's adopted child | 26 |
| 'House' actor Omar | 26 |
| Minirecord albums, briefly | 26 |
| Leader of ancient Ephesus? | 26 |
| Electromotive force symbol | 26 |
| Word before salts or Downs | 26 |
| Racetrack town near London | 26 |
| Maker of the MX-80 printer | 26 |
| Sweetener in a blue packet | 26 |
| Six and half-a-dozen, e.g. | 26 |
| Big name in credit reports | 26 |
| Time for the history books | 26 |
| Victoria's reign, e.g. | 26 |
| Significant period of time | 26 |
| Newsworthy time in history | 26 |
| It's a ballpark figure | 26 |
| It didn't get ratified | 26 |
| Ballpark figure, for short | 26 |
| Triple Crown consideration | 26 |
| Titled years, collectively | 26 |
| The Great Depression, e.g. | 26 |
| The Eisenhower years, e.g. | 26 |
| Stat for Stephen Strasburg | 26 |
| Stat for Seaver or Santana | 26 |
| Stat for Jonathan Papelbon | 26 |