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Astronomy

Space

Earth-sized virtual telescope to study supermassive black hole at center of Milky Way

In astronomy, much like many other other aspects of life, bigger is better. Taking this adage to heart, astronomers at the University of Arizona are helping to build a virtual radio telescope the size of the Earth itself. With a resolution factor more than a thousand times greater than that of the Hubble Space Telescope, the new Event Horizon Telescope (EHT) will be used to study in fine detail the supermassive black hole at the center of our Milky Way. Read More

Space

Astronomers discover supernova subset which could allow for more acurate galactic measurements

NASA astronomers may have found a way to take more precise measurements of the distances between galaxies. Currently, astronomers use a certain type of supernova, known as a Type la supernova, to gauge the distances between galaxies and from this, the rate at which the universe is expanding. The reason that this particular breed of supernova is singled out for this purpose, is that when they explode, they give out a very similar amount of light.Read More

Space

Stellar viewing: The solar eclipse in pictures

Friday morning bore witness to a stunning solar eclipse, as our Moon traversed the face of our parent star, blocking its light in a beautiful example of the intricate orbits negotiated by the planets and moons that make up our solar system. For those able to secure a pair of protective glasses and be charmed enough to gaze through cloud-free skies, the sight was a spectacular one – a rare meeting of two celestial bodies that have accompanied each of us through every day and night of our lives. Read More

Space

Combination radio/radar imaging produces stunning view of Venus

A team of astronomers combining radio data from the Green Bank Telescope, West Virginia, and data from the radar transmitter at the National Science Foundation's Arecibo Observatory, Puerto Rico, have compiled a stunning new view of Venus. Often described as Earth's twin due to its similar proportions, capturing high quality images of the inhospitable planet has traditionally been a challenging prospect thanks to extreme atmospheric conditions. However, by combining observations from the instruments to create a more complete picture of Venus, astronomers can begin to observe how this enigmatic celestial object evolves over time.Read More

Space

ESO's MUSE instrument grants astronomers a 3D map of Hubble's Deep Field South region

ESO's Multi Unit Spectroscopic Explorer (MUSE) instrument, which is mounted on the Very Large Telescope based in the Paranal Observatory, Chile, has been focusing in on a tiny patch in the night sky previously featured in Hubble's Deep Field South image (HDF-S). After only 27 hours of continuous observation, the cutting edge instrument has captured detailed measurements of more galaxies with more detail than ever before. Read More

Space

New initiative gives you the chance to name an exoplanet

The International Astronomical Union (IAU), the organization in charge of naming celestial objects, has set up a public contest that will let people all around the globe pick the names of 20 to 30 well-characterized exoplanets and their respective host stars by August next year.Read More

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