Science

Each has a different composition and size. The largest galaxies can span up to 2 million light years.

It is made of an alloy of nickel and iron with small admixtures of other elements. It reaches temperatures from 5500 to 6500 degrees Celsius and the pressure there is 13.5 million atmospheres.

It is longer than the sidereal month because in the process of illuminating the moon's disk, we must take into account the movement of the Moon itself, as well as the Earth and the Sun.

However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.

Cordyceps species are parasitic fungi that live on animals - insect larvae or spiders - using them a ...

Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...

During the first stages of this period, it was still too hot for the elements to form spontaneously ...

Once polished, it glistens and resembles a gemstone.

It occurs in high latitudes, mainly beyond the Arctic Circle. It also happens, however, that under favorable conditions, it can be observed around the 50th parallel.