Lycaenid butterfly has been named after him. An exoplanet around star HAT-P-42 (now named Lerna) is named after him as part of the IAU's NameExoWorlds...

published on 17 December 2019, with an additional pair of names (for the star HAT-P-21 and its planet) approved on 1 March 2020. An additional two star names...

HAT-P-11b (or Kepler-3b) is an extrasolar planet orbiting the star HAT-P-11. It was discovered by the HATNet Project team in 2009 using the transit method...

A homburg is a semi-formal hat of fur felt, characterized by a single dent running down the centre of the crown (called a "gutter crown"), a wide silk...

Telescope Network (HATNet) project is a network of six small fully automated "HAT" telescopes. The scientific goal of the project is to detect and characterize...

The bowler hat, also known as a Coke hat, billycock, bob hat, bombín (Spanish) or derby (United States), is a hard felt hat with a rounded crown, originally...

The Cat in the Hat is a 1957 children's book written and illustrated by American author Theodor Geisel, using the pen name Dr. Seuss. The story centers...

A campaign hat, sometimes called campaign cover, is a broad-brimmed felt or straw hat, with a high crown, pinched symmetrically at the four corners. The...

HAT-P-17 is a K-type main-sequence star about 92.4 parsecs (301 ly) away. It has a mass of about 0.857 ± 0.039 M☉. It is the host of two planets, HAT-P-17b...

A fedora (/fəˈdɔːrə/) is a hat with a soft brim and indented crown. It is typically creased lengthwise down the crown and "pinched" near the front on...

Premier League,[a] in 1992, exactly 202 players have scored three goals (a hat-trick) or more in a single match. The first player to achieve the feat was...

HAT-P-16 is a F-type main-sequence star about 725 light-years away. The star has a concentration of heavy elements slightly higher than solar abundance...

+ 1 ∣ k ) P k ∣ n = P k ∣ k + C k ( P k + 1 ∣ n − P k + 1 ∣ k ) C k T {\displaystyle {\begin{aligned}{\hat {\mathbf {x} }}_{k\mid n}&={\hat {\mathbf {x}...

− p ^ x ^ ) | ψ ⟩ = ( x ^ − x 0 I ^ ) p ^ | ψ ⟩ = i ℏ | ψ ⟩ , {\displaystyle [{\hat {x}},{\hat {p}}]|\psi \rangle =({\hat {x}}{\hat {p}}-{\hat {p}}{\hat...

Top Hat is a 1935 American musical screwball comedy film in which Fred Astaire plays an American tap dancer named Jerry Travers, who comes to London to...

Acting p ^ {\displaystyle \mathbf {\hat {p}} } on ψ obtains: p ^ x ψ = − i ℏ ∂ ∂ x ψ = p x ψ p ^ y ψ = − i ℏ ∂ ∂ y ψ = p y ψ p ^ z ψ = − i ℏ ∂ ∂ z ψ = p z...

HAT-P-7 is a F-type main sequence star located about 1088 light-years away in the constellation Cygnus. The apparent magnitude of this star is 10.5, which...

The buntal hat is a traditional lightweight straw hat from the Philippines made from very finely-woven fibers extracted from the petioles of buri palm...

Medicine Hat is a city in southeast Alberta, Canada. It is located along the South Saskatchewan River. It is approximately 169 km (105 mi) east of Lethbridge...

HAT-P-12 is a magnitude 13 low-metallicity K dwarf star approximately 463 light years away in the constellation Canes Venatici, which hosts one known...

HAT-P-19 is a K-type main-sequence star about 658 light-years away. The star is old yet metal enriched, having amount of heavy elements 250% of solar...

shtrayml, plural: שטרײַמלעך shtraymlekh or שטרײַמלען shtraymlen) is a fur hat worn by some Ashkenazi Jewish men, mainly members of Hasidic Judaism, on...

to be "戴綠帽子" dài lǜmàozi, translated into English as 'wearing the green hat'. The term is an allusion to the sumptuary laws used from the 13th to the...

Project, the secondary star is known as HAT-P-1, and the planet itself designated HAT-P-1b. HATNet Project or HAT Roman, Nancy G. (1987). "Identification...

HAT-P-11, also designated GSC 03561-02092 and Kepler-3, is a metal-rich orange dwarf star with a planetary system, 123 light-years (38 parsecs) away in...

HAT-P-28 is the primary of a binary star system about 1320 light-years away. It is a G-type main-sequence star. The star's age is older than the Sun's...

Three members of the Richardson family were murdered in Medicine Hat, Alberta, Canada in April 2006. The murders were planned and committed by the family's...

green were his girdle and his breeches all of leather; he wore in his tall hat a swan-wing feather. He lived up under Hill, where the Withywindle ran from...

HD 233731, or HAT-P-22, is a suspected multiple star system in the northern circumpolar constellation of Ursa Major. It is invisible to the naked eye...

Hat Knows a Lot About That! is an animated musical preschool children's television series featuring Martin Short as the voice of The Cat in the Hat,...