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2015-08-30
Astronomy picture of the day - 2015 August 30 - M31: The Andromeda Galaxy
Image Credit & Copyright: Robert Gendler
Explanation: What is the nearest major galaxy to our own Milky Way Galaxy? Andromeda. In fact, our Galaxy is thought to look much like Andromeda. Together these two galaxies dominate the Local Group of galaxies. The diffuse light from Andromeda is caused by the hundreds of billions of stars that compose it. The several distinct stars that surround Andromeda's image are actually stars in our Galaxy that are well in front of the background object. Andromedais frequently referred to as M31 since it is the 31st object on Messier's list of diffuse sky objects. M31 is so distant it takes about two million years for light to reach us from there. Although visible without aid, the above image of M31 is a digital mosaic of 20 frames taken with a small telescope. Much about M31 remains unknown, including exactly how long it will before it collides with our home galaxy.
2015-08-29
Conhece todos os miradouros em Lisboa?... Miradouro da Rocha do Conde de Obidos
Officially called Jardim 9 de Abril, the garden in front of the Ancient Art Museum is also known as Rocha Conde de Óbidos. It’s a beautiful viewpoint overlooking the harbor and 25 de Abril Bridge, at the top of a staircase leading down to the bustling Avenida 24 de Julho.
O Jardim 9 de Abril, em frente ao Museu Nacional de Arte Antiga, também é conhecido por Rocha do Conde de Óbidos. É um belo miradouro com vista para o porto e para a Ponte 25 de Abril, junto à escadaria que desce até à movimentada Avenida 24 de Julho.
Astronomy picture of the day - 2015 August 29 - The Seagull Nebula
Image Credit & Copyright: Dieter Willasch (Astro-Cabinet)
Explanation: A broad expanse of glowing gas and dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker - The Seagull Nebula. This portrait of the cosmic bird covers a 1.6 degree wide swath across the plane of the Milky Way, near the direction of Sirius, alpha star of the constellation Canis Major. Of course, the region includes objects with other catalog designations: notably NGC 2327, a compact, dusty emission region with an embedded massive star that forms the bird's head (aka the Parrot Nebula, above center). Dominated by the reddish glow of atomic hydrogen, the complex of gas and dust clouds with bright young stars spans over 100 light-years at an estimated 3,800 light-year distance.
2015-08-28
Imagenes de Mundo - Ecuador - Volcan Cotopaxi
Vista desde el Pedregal (Ecuador) del volcán Cotopaxi, que sigue expulsando ceniza que ha caído en algunos poblados cercanos. El presidente de Ecuador, Rafael Correa, afirmó que la situación en el volcán Cotopaxi, es la mayor preocupación actual de su Gobierno.
JOSÉ JÁCOME (EFE)
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