Tonight, the chance is high to see the Northern Lights!
The Perseid meteor shower will be active from 17 July to 24 August, producing its peak rate of meteors around 12 August.
A halo effect is a light phenomenon appearing as a ring around the sun when the light is shining through ice crystals in the air.
Galaxies are vast cosmic islands of stars, gas, dust, and dark matter held together by gravity.
A rocket is a vehicle that launches into space. A rocket also can be a type of engine.