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Dragonfly Galaxies

© Afrim Constantin –

The existence of the UDG, Ultra Diffuse Galaxies was confirmed. They are scattered clusters of stars that must accommodate proportionally much dark matter in order to be together. “If the Milky Way was a sea, then these galaxies would be the clouds,” says Pieter van Dokkum of Yale University. An international team of researchers, led

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The retirement of white dwarfs

© Afrim Constantin –

Scientists have used Hubble to observe the white dwarfs in the cluster. These dying stars are migrating from the crowded center towards wider orbits outside. Astronomers knew this process but had never seen it in action. The Hubble Space Telescope of NASA / ESA, now 25-years-old, continues tirelessly to give us stunning images that shows

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The first quartet of quasar

© Afrim Constantin –

Thanks to the powerful radio telescope ALMA, astronomers observed what could be the first proto globular cluster ever discovered. A giant molecular cloud extremely dense and massive, scrambled by the collision of galaxies Antennas, but that has not turned any star. Globular clusters – groups spheroidal twinkling of stars, including up to one million participants

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The strangler of galaxies

© Afrim Constantin –

Astronomers have solved a riddle that is even partially behind the death of galaxies. In fact, according to a study published in Nature, the leading case concerning the “death” of a galaxy is by “strangulation” due to lack of supply of the raw material that is used to give rise to the formation of new

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Nustar

© Afrim Constantin –

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

Proto globular cluster

© Afrim Constantin –

Thanks to the powerful radio telescope ALMA, astronomers observed what could be the first proto globular cluster ever discovered. A giant molecular cloud extremely dense and massive, scrambled by the collision of galaxies Antennas, but that has not turned any star. Credit: K. Johnson, U.Va.; ALMA (NRAO/ESO/NAOJ) Globular clusters – groups spheroidal twinkling of stars,

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The giant halo of Andromeda

© Afrim Constantin –

Thanks to the data collected by Hubble a team of scientists was able to accurately estimate the size of the halo of Andromeda gas: about half of the contents of the stars in the same galaxy. This discovery allows us to learn more on the evolution and the structure of one of the most common

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Mercury – magnetic field

© Afrim Constantin –

Thanks to NASA orbiter flybys made in the months close to the crash site, traces of magnetization in the crust of the planet were found. This was based on a core of molten iron that in ancient times, that would act as a dynamo. The study was published in Science. The investigation of MESSENGER orbiter

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HL Tau hides real planets

© Afrim Constantin –

The shot was taken in October 2014 when the Atacama Large Millimeter / submillimeter Array in Chile showed excellent and never before seen details in the protoplanetary disk of this young system. An animated debate has always been encountered between astronomers because around the concentric circles dark, it would hide planets in formation. A group

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