Hipparchus and the equinoxes

Hipparchus and the equinoxes

ABOVE: A stamp showing Hipparchus (public domain). Oft overlooked, Hipparchus was a pioneer of astronomy in the ancient world. By David Ellyard AS WITH SO MANY OF THE GREEK ASTRONOMERS who got the science going more than 2,000 years ago, we know little more than the...
Hubble’s huge new view of ancient galaxies

Hubble’s huge new view of ancient galaxies

ABOVE: The near-infrared 3D-DASH project has revealed a variety of galaxies seen as they were at a range of epochs across the last 10 billion years. Image courtesy Lamiya Mowla. A NEW NEAR-INFRARED IMAGE — THE LARGEST EVER PRODUCED using Hubble Space Telescope data —...
The sparkling stars of Liller 1

The sparkling stars of Liller 1

ABOVE: The reddish-coloured stars in this Hubble Space Telescope image, are members of a globular star cluster known as Liller 1. Image credit: ESA/Hubble & NASA, F. Ferraro. AROUND 26,000 LIGHT-YEARS FROM EARTH, and close to the centre of our Milky Way galaxy...