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Probing Worlds Beyond Our Solar System

Probing Worlds Beyond Our Solar System
Nikole Lewis, Space Telescope Science Institute

Since the discovery of the first exoplanets 20 years ago, the field has expanded rapidly. More than 3,000 confirmed planets are now known outside of our solar system. This is the start of a new era in exoplanet science, where we go beyond measuring planetary mass and radius and begin to probe their atmospheres. Such observations provide a critical step in our understanding of planet formation and are key to assessing the potential habitability of exoplanets. We currently utilize a variety of methods to detect and characterize exoplanets, and upcoming missions will have the potential to detect signatures of life on distant worlds.

Host: Dr. Frank Summers

Recorded live on June 7, 2016 at the Space Telescope Science Institute in Baltimore, MD, USA

For more information: http://hubblesite.org/about_us/public_talks/

خبير الفلقات! – Uncharted 4 Online

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#سعودي_جيمر_في_رمضان

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Vibrant Gaseous Ribbons: The Veil Supernova Remnant [Ultra HD]

Ultra HD Resolution Version (4K UHD)

This 3-D visualization flies across a small portion of the Veil Nebula as photographed by the Hubble Space Telescope. This region is a small part of a huge expanding remnant from a star that exploded many thousands of years ago. Hubble resolves tangled rope-like filaments of glowing gases. They have been shocked and heated by colliding with cooler, denser interstellar gas.

The 3-D model has been created for illustrative purposes and shows that the giant bubble of gas has a thin, rippled surface. It also highlights that the emission from different chemical elements arises from different layers of gas within the nebula. In the imagery, emission from Sulfur, Hydrogen, and Oxygen are shown in red, green, and blue, respectively.

Credit: NASA, ESA, and F. Summers, G. Bacon, Z. Levay, and L. Frattare (Viz 3D Team, STScI)

Acknowledgment: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

For more information, images, and videos: http://hubblesite.org/newscenter/archive/releases/2015/29/

عالماشي: ملك الحرامية! – King of Thieves

في هاللعبة بيكون لك كهف خاص فيك وتحاول تحمي الكنز الخاص فيك! وبنفس الوقت تسرق كنوز غيرك!
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Demonstration of Gravitational Lensing by a Massive Cluster of Galaxies

The largest clusters of galaxies are massive enough to produce visual distortions of distant galaxies known as “gravitational lensing”. This video demonstrates these visual effects. A scientific simulation shows the imagery that would be obtained if a nearby galaxy could pass behind a large cluster. By using a recognizable object for the distant galaxy, the effects of the gravitational lensing become more apparent.

Get more information at this blog post:
The Whirlpool Galaxy Seen Through a Cosmic Lens