seeraz
Ide lain dari seeraz
NGC 2359, better known as the Thor's Helmet nebula, is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. The central star is an extremely hot giant Wolf-Rayet star, thought to be in a brief, pre-supernova stage of evolution. It lies about 15,000 light years from Earth in the constellation Canis Major, measuring about 30 light years.

NGC 2359, better known as the Thor's Helmet nebula, is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud. The central star is an extremely hot giant Wolf-Rayet star, thought to be in a brief, pre-supernova stage of evolution. It lies about 15,000 light years from Earth in the constellation Canis Major, measuring about 30 light years.

This view across 24,000 light years of the Milky Way Galaxy shows over 150,000 stars!

This view across 24,000 light years of the Milky Way Galaxy shows over 150,000 stars!

Stephan’s Quintet – 300,000,000 light years away

Stephan’s Quintet – 300,000,000 light years away

Mysterious Owl Nebula - Gemini North image of the planetary nebula M97, the approximately 6,000 year-old nebula is located about 2,600 light-years away, and has a diameter of about three light-years across. It is located in the constellation of Ursa Major (which contains the Big Dipper).

Mysterious Owl Nebula - Gemini North image of the planetary nebula M97, the approximately 6,000 year-old nebula is located about 2,600 light-years away, and has a diameter of about three light-years across. It is located in the constellation of Ursa Major (which contains the Big Dipper).

The Center of the Heart Nebula

The Center of the Heart Nebula

The strikingly unusual planetary nebula, NGC 6751.  Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center.

The strikingly unusual planetary nebula, NGC 6751. Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center.

The Butterfly Nebula is a planetary nebula in the constellation Scorpius. It lies about 2,000 light years away and is itself about 2 light years across. Scientists believe this was once quite a massive star, around 5 times that of the Sun, as the white dwarf that remains in the center is one of the hottest starts in the galaxy.

The Butterfly Nebula is a planetary nebula in the constellation Scorpius. It lies about 2,000 light years away and is itself about 2 light years across. Scientists believe this was once quite a massive star, around 5 times that of the Sun, as the white dwarf that remains in the center is one of the hottest starts in the galaxy.