Everything in space – from the Earth and Sun to black holes – accounts for just 15% of all matter in the universe[1]. The rest of the cosmos seems to be made of an invisible material astronomers call dark matter[2].
Astronomers know dark matter
Everything in space – from the Earth and Sun to black holes – accounts for just 15% of all matter in the universe[1]. The rest of the cosmos seems to be made of an invisible material astronomers call dark matter[2].
Astronomers know dark matter