Iris

 

ابرماه بهار 1399

تصویر ماه شب 15 شعبان 1441

بهترین مکان برای جمع آوری نمونه از سطح دنباله دار بنو کجاست؟

بهترین مکان برای جمع آوری نمونه از سطح دنباله دار بنو کجاست؟ NASA در سال 2016 مأموريت OSIRIS -REX را آغاز کرد که شامل ابزارهای روباتیک ، تفسیر طیفی ، شناسایی منابع ، امنیتی و شناسائی رگولیت ها را برای بررسی سیارک 500 متری 101955 Bennu ارسال کرد.

NGC 7023: The Iris Nebula


Da Vinci Rise

An old Moon rose this morning, its waning sunlit crescent shining just above the eastern horizon before sunrise.

The Iris Nebula in a Field of Dust

These cosmic dust clouds drift some 1,300 light-years away along the fertile starfields of the constellation Cepheus.

Ares 3 Landing Site: The Martian Revisited

This close-up was taken from the Mars Reconnaissance Orbiter's HiRISE camera.

Astronomy Picture of the Day: 3D Bennu

Put on your red/blue glasses and float next to asteroid 101955 Bennu.

Astronomy Picture of the Day: Rotating Asteroid Bennu from OSIRIS-REx

Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century.

Astronomy Picture of the Day: Opportunity After the Storm

On Mars dust storms can't actually blow spacecraft over, but they can blot out the Sun.

Astronomy Picture of the Day: Stickney Crater

Stickney Crater, the largest crater on the martian moon Phobos, is named for Chloe Angeline Stickney Hall, mathematician and wife of astronomer Asaph Hall.

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