Messier 17 is a familiar target for amateur astronomers, an impressive nebula in even modest telescopes. But the Swan reveals its vast extent in a spectacular shot from the European Southern Observatory’s 2.2-metre La Silla telescope.
The Hubble Space Telescope spots an luminous galaxy that defies simple classification, meeting the definition of an AGN (active galactic nucleus), a quasar or a Seyfert galaxy all at once.
M83, known as the Southern Pinwheel, is a majestic barred spiral some 15 million light years away, one of the closest examples of its kind to Earth’s Milky Way.
James Webb captures a detailed infrared image of a Wolf Rayet star as its outer atmosphere is blown off in a brief transition before an eventual supernova explosion.
To better understand the origins of the most massive galaxies in the universe, astronomers are on the lookout for galactic mergers . The Hubble Space Telesacope captured a prime example with three galaxies in the process of colliding.
The James Webb Space Telescope takes a look at the “Pillars of Creation” at the heart of the Eagle Nebula, providing a stunning update to one of Hubble’s most iconic images.
Two rare phenomena associated with thunderstorms are captured in this expansive vista seen from 4,200 metres above sea level at the Gemini North telescope, overlooking the other observatories atop Mauna Kea in Hawaii.