Mirela Arsene

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Mirela Arsene
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Zeta Ophiuchus, a massive star plowing through the gas and dust floating in space. Zeta Oph is a bruiser, with 20 times the Sun’s mass. It’s an incredibly luminous star, blasting out light at a rate 80,000 times higher than the Sun! Even at its distance of 400 light years or so, it should be one of the brightest stars in the sky … yet it actually appears relatively dim to the eye.

Zeta Ophiuchus, a massive star plowing through the gas and dust floating in space. Zeta Oph is a bruiser, with 20 times the Sun’s mass. It’s an incredibly luminous star, blasting out light at a rate times higher than the Sun! Even at its distance of

Credit: NASA/Hubble.  The Whirlpool Galaxy (M51) and it’s Companion Galaxy The graceful, winding arms of the majestic spiral galaxy M51 (NGC 5194) appear li...

Here are two more nebula galaxies. The pair are about 31 million light-years apart. Not far in the sky from the handle of the Big Dipper, they officially lie within the boundaries of the small constellation Canes Venatici.

This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousands of young stars and developing protostars near the sword of the constellation Orion. Massive stars light up the Orion nebula, the bright region near the centre of the image. To the north of the nebula is a dark filamentary cloud of cold dust and gas over five light years long, containing ruby red protostars that jewel the hilt of Orion's sword   Photograph: Spitzer Space

Nasa's Spitzer Space Telescope shows a stellar nursery containing thousands of young stars and developing protostars near the sword of the constellation Orion. Massive stars light up the Orion nebula, the bright region near the center of the image.

This nebula is about 170,000 light-years away.

This nebula, imaged by the Hubble Space Telescope on August is about light-years away. Hubble completed its orbit in its year of exploration and discovery, and in doing so took a snapshot of a dazzling region of celestial birth and renewal.