Curious Kids: Where are all the other galaxies hidden? The other galaxies are there, but they are hiding a very long way away. www.shutterstock.com Lisa Harvey-Smith, CSIRO This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an…View More Curious Kids: Where are all the other galaxies hidden?
From pancakes to soccer balls, new study shows how galaxies change shape as they age The Sombrero galaxy reveals the extremes of age and shape. NASA/ESA and The Hubble Heritage Team (STScI/AURA) Jesse van de Sande, University of Sydney and Nicholas Scott, University of Sydney Galaxies are a fundamental part…View More From pancakes to soccer balls, new study shows how galaxies change shape as they age
When galaxies collide, size matters if you want to know the fate of our Milky Way An artist’s impression of the predicted merger between our Milky Way (right) and the neighboring Andromeda galaxy (left). So which galaxy will dominate? NASA; ESA; Z. Levay and R. van der Marel, STScI; T.…View More When galaxies collide, size matters if you want to know the fate of our Milky Way
A Lonely Beauty Beauty, grace, mystery — this magnificent spiral galaxy has all the qualities of a perfect galactic Valentine. Captured by the NASA/ESA Hubble Space Telescope, the galaxy NGC 3344 presents itself face-on, allowing astronomers a detailed look at its intricate and elegant structure. And Hubble’s ability to observe…View More A Lonely Beauty
Dance of galaxies challenges current thinking on cosmology Centaurus A. : X-ray: NASA/CXC/SAO; Optical: Rolf Olsen; Infrared: NASA/JPL-Caltech Andreea Font, Liverpool John Moores University Scientists have a pretty good picture of how the universe formed and evolved – and how it is structured today. This knowledge all fits together nicely…View More Dance of galaxies challenges current thinking on cosmology
Dawn of a galactic collision A riot of colour and light dances through this peculiarly shaped galaxy, NGC 5256. Its smoke-like plumes are flung out in all directions and the bright core illuminates the chaotic regions of gas and dust swirling through the galaxy’s centre. Its odd structure is due…View More Dawn of a galactic collision
Andromeda’s Bright X-Ray Mystery Solved by NuSTAR The Milky Way’s close neighbor, Andromeda, features a dominant source of high-energy X-ray emission, but its identity was mysterious until now. As reported in a new study, NASA’s NuSTAR (Nuclear Spectroscopic Telescope Array) mission has pinpointed an object responsible for this high-energy radiation.…View More Andromeda’s Bright X-Ray Mystery Solved by NuSTAR