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Spiral arms of Milky Way

© Afrim Constantin –

According to a study conducted by a group of Chinese astronomers, one of the spiral arms of the Milky Way, known as Shield-Centaur arm, could extend much further than assumed, wrapping all the way around our galaxy. It would hold a rare event ever observed in other spiral galaxies nearby. Since our solar system resides

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Mr. Big, 500 meters asteroid

© Afrim Constantin –

It is expected on Monday, January 26th, the apex of a flyby between 2004 BL86 – an asteroid of 500 meters – and our planet. For an object of this size, it will be the closest approach between now and 2027. It will reach magnitude 9, visible even with amateur equipment. Never seen an asteroid

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Milky Way

© Afrim Constantin –

Click on image to make it bigger Credit: Infographic created by Afrim Constantin COPYRIGHT 2015 © spacefan.org

A dusty comet for Rosetta

© Afrim Constantin –

The tools and MIDAS COSIMA aboard the ESA spacecraft have captured the first grains of dust from the comet Churyumov-Gerasimenko and have analyzed the shape and composition. Meanwhile it reduces the distance between the probe and the comet: engineers hope to get to 4 km in February. Credit: ESA/Rosetta/NAVCAM At a speed of 20.9 km

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Galaxies in the box

© Afrim Constantin –

The results of the team led by Monaco and Murante, in publication of Monthly Notices of the Royal Astronomical Society, are at the forefront in Italy and put the group in a very small elite international Trieste. How do you rebuild on the computer the evolution of spiral galaxies? It was the question asked by

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Everything through a 2.5 meters telescope

© Afrim Constantin –

Everything presented through a 2.5 meters telescope to the public and put online the twelfth and final release of the SDSS-III. Consulted by anyone using the “Sky Server”, the observations and spectroscopic measurements of the Sloan Digital Sky Survey are one among the richest and most impressive astronomical archives ever made. Half a billion stars

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A shield of iron in the Sun

© Afrim Constantin –

In the Sun, iron ions offer greater resistance than expected to the propagation of electromagnetic waves: these are the results of a study led by physicist Jim Bailey (Sandia National Laboratories) thanks to a machine that recreates the extreme conditions inside of our star. The Sun is a huge nuclear furnace: at its core is

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Close Encounters of star-like

© Afrim Constantin –

According to a recent study conducted by astrophysicist Coryn Bailer-Jones of MPI, the star HIP 85605 is approaching our solar system in a flyby that will take place no earlier than 240-470 thousand years. The research, which is based on the analysis of stellar close encounters in the Milky Way, has the purpose of studying

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Happy Birthday, Hubble!

© Afrim Constantin –

The most famous telescope in the world, after the one of Galileo in 1609, put into orbit in 1990, celebrates soon a quarter century of splendid service. NASA celebrates elegantly: presents the most famous cosmic image gallery of Hubble telescope, repeated and improved. These are the famous “Pillars of Creation”, the Pillars of Creation that,

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