Articles on Astronomy

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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. Hallas; and A. Mellinger

When galaxies collide, size matters if you want to know the fate of our Milky Way

Bigger galaxies tend to dominate the smaller, when the two collide. But the pending battle between our Milky Way and the Andromeda galaxy might be a much fairer fight than we previously thought.
The Small Magellanic Cloud galaxy here seen in infrared light, but it looks different when viewed at other wavelengths. ESA/NASA/JPL-Caltech/STScI

Looking at the universe through very different ‘eyes’

The galaxies, stars and planets in our universe can look very different when you view them through equipment that sees beyond the visible light our eyes can see.
The 2017 Geminids as seen from Ecuador, against the backdrop of the splendid Milky Way (centre) and the Large Magellanic Cloud (right). Flickr/David Meyer

Look up! Your guide to some of the best meteor showers for 2018

Your guide to some of the best meteor showers for 2018. Where to look and when in both the northern and southern skies to catch nature's fireworks.
An artist’s impression of the exoplanet in close orbit to a star. ESA, NASA, G. Tinetti (University College London, UK & ESA) and M. Kornmesser (ESA/Hubble)

We’ve found an exo-planet with an extraordinarily eccentric orbit

A solitary planet in an eccentric orbit around an ancient star may help astronomers understand exactly how such planetary systems are formed.
It’s a bird… It’s a plane… No, it’s an object from another solar system! Astronomers have been scrambling to identify a mysterious object passing through our solar system at a speed of about 160,000 km/h. This NASA file image shows a simulation of asteroids passing the earth. (Handout)

How scientists discovered our first interstellar mystery visitor

Astronomers have detected what is believed to be the first interstellar object ever seen passing through our solar system.

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