Can an amateur astronomer with a backyard telescope perceive the orbital motion of a binary star in a reasonably brief period? Gene Crist of Peoria, Arizona, wants to know. “Are you aware of any ...
The Eta Carinae star system does not lack for superlatives. Not only does it contain one of the biggest and brightest stars in our galaxy, weighing at least 90 times the mass of the Sun, it also is ...
Eta Carinae, the most luminous and massive stellar system within 10,000 light-years of Earth, is known for its surprising behavior, erupting twice in the 19th century for reasons scientists still ...
Dies ist ein typischer Begriff aus der Himmelsmechanik, einer klassischen Disziplin der Astronomie. Das Periastron (grch. peri: ringsum; grch. astron: Stern) ist der nächste Punkt auf einer Bahn um ...
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