How Stars Move at the Center of the Galaxy

How Stars Move at the Center of the Galaxy

Two months ago astronomers created a new 3D map of stars at the centre of our Galaxy (the Milky Way), showing more clearly than ever the bulge at its core. Previous explanations suggested that the stars that form the bulge are in banana-like orbits, but a paper...
Several NASA spacecraft track energy through space

Several NASA spacecraft track energy through space

Scientists have provided the most comprehensive details yet of the journey energy from the sun takes as it hurtles around Earth’s magnetosphere. Understanding the changes energy from the sun undergoes as it travels away and out into space is crucial for...
Where comets go to die

Where comets go to die

A team of astronomers from the University of Anitoquia, Medellin, Colombia, have discovered a graveyard of comets. The researchers, led by Anitoquia astronomer Prof. Ignacio Ferrin, describe how some of these objects, inactive for millions of years, have returned to...
New knowledge about early galaxies

New knowledge about early galaxies

The early galaxies of the universe were very different from today’s galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers, including members from the Niels Bohr Institute, have studied an...

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