We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Venus, shrouded in mystery, stands out with its toxic atmosphere and retrograde rotation, spinning in the opposite direction ...

Skywatchers will see the bright planet Venus appear about three degrees above the orangey star Aldebaran while the glittering Pleiades star cluster hovers just above.