If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars. But these sparkling lights are just a tiny fraction of our cosmic ...
The Milky Way is one of billions of galaxies in the universe and home to our own solar system. It appears as a hazy band in the sky when viewed from Earth.
The feature in question is in the GD-1 stellar stream, a thin group of stars moving together on a shared trajectory through the Milky Way's all-encompassing halo. The GD-1 stellar stream has been ...
The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...
which provides comprehensive data for 1.8 billion stars, encompassing all three spatial components and three velocity components in a six-dimensional space within the Milky Way. Using the Gaia ...