This image, a composite of several observations captured by ESO's VLT Survey Telescope (VST), shows the space observatory Gaia as a faint trail of dots across the lower half of the star-filled ...
The European Space Agency (ESA) has released the first "page" from Euclid's cosmic atlas-in-progress. Although the images ...
Abstract: Gaia, the next astrometric mission of the European Space Agency, will use a camera composed of 106 CCDs to collect multiple observations for one billion stars. The astrometric core solution ...