Science, Maths & Technology
Galaxies, stars and planets
...account for less than about one-sixth of all matter. The majority is believed to consist of non-luminous 'dark matter', the nature of which is still uncertain...Galaxies, stars and planets: 7 'We are stardust' - How did the atoms in our bodies, the Earth, the Sun and other astronomical objects originate? This question is intimately tied with one of the most fundamental...