Science

The halo consists of old stars and globular clusters, and 90 percent of the material it contains is located within a radius of 100.000 light years from the center of the Milky Way.

Cut off from oxygen, brain cells start dying after about 5 minutes.

Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).

Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...

Huygens and his older brother began producing telescopes around 1650, and it was thanks to one of their devices they noticed Titan. It was the sixth discovered moon in the Solar System.

As the temperature dropped, subatomic particles and then atoms separated. The universe was filled wi ...