Heartbeat stars are pulsating variable binary star systems in eccentric orbits with vibrations caused by tidal forces. The name "heartbeat" comes from the similarity of the light curve of the...
A hydrogen-deficient star is a type of star that has little or no hydrogen in its atmosphere.Hydrogen deficiency is unusual in a star, as hydrogen is typically the most common...
The Star European Championships are international sailing regattas in the Star class. The championships are open to sailors of all nationalities. Most titles have Agostino Straulino and Nicolò Rode, with...
Harbingers are fictional comic book superhuman beings who appear in books published by Valiant Comics. Two different groups of Harbingers appeared in the comic book series Harbinger.
Battlestar Galactica has been adapted to the comic book format since its inception, with no six publishers to date taking on the project of relating the story of the Colonial...
Hurricane is a name used by many different fictional characters appearing in American comic books published by Marvel Comics. The characters are unrelated and include a western gunslinger, superheroes, and...