Opinion by Sofia Feltzing, Professor of Astronomy, Lund University 2013 Slowly, humanity has built up a picture of the world around us. Through several revolutionary discoveries we have come to learn that the Earth is not the centre of the universe, nor is the Sun. We have learnt that the...
Thor’s Helmet Nebula is found in the constellation of Canis Major, also called The Great Dog. Fifteen thousand light-years from Earth lies the helmet-shaped nebula that is over 30 light-years across. The helmet is a cosmic bubble with a massive star near the bubble’s centre that sweeps through the surrounding...
The Hydra constellation is located about 15 million light-years away and the Southern Pinwheel Galaxy has a spiral with a classic grand design. The galaxy stretches over 40 000 light-years, and is about 2.5 times smaller than our own Milky Way. Nonetheless, the Southern Pinwheel Galaxy is quite similar to...
