sirius

 

25 Brightest Stars in the Night Sky

Do you know the names of some of the brightest stars?

A View Toward M106

Big, bright, beautiful spiral, Messier 106 dominates this cosmic vista.

Astronomy Picture of the Day: Good Morning Leonid

On November 17, just an hour before sunrise, this bright and colorful meteor flashed through clear predawn skies.

Astronomy Picture of the Day: Pillars of the Eagle Nebula in Infrared

Newborn stars are forming in the Eagle Nebula. Gravitationally contracting in pillars of dense gas and dust, the intense radiation of these newly-formed bright stars is causing surrounding material to boil away.

Astronomy Picture of the Day: NGC 613 in Dust, Stars, and a Supernova

Where did that spot come from?

sirius


Orion & Sirius over Badr Mountain


شعرای یمانی (sirius)

ستاره شعرای یمانی یاهمان شباهنگ در صورت فلکی کلب اکبر قرارداردو ستاره ای سفید آبی با طیف A1 V که فاصله آن تا ما 8/8 سال نوری است. این ستاره 25برابرخورشیداست و درخشان ترین ستاره آسمان شب است ضمن اینکه قدر ظاهری آن منهای 1/46می باشد.

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