Where did the water on Earth?

Extensive before that scientists began to wonder about the origin of water on Earth . And so far the official maintained that the volatile elements (such as hydrogen, nitrogen or carbon), and even the first organic matter, arrived here from abroad , contributed by comets and meteorites by class of origin very old, the carbonaceous concretes . Both classes of objects are formed beyond the orbit of Jupiter and "migrated" then into the Solar System.

A large solar flare reaches Earth

The huge AR 1520 spot with a diameter ten times that of Earth, launched an X-flare 1.4, within the highest level in the intensity scale (there are A, B, C, M and X, points which is a number from 1 to 9). Whiplash has caused a coronal mass ejection (CME), a fiery cloud of particles and radiation that could affect Earth, as explained by the Space Weather Observatory.

The blaze has had consequences in South America, Central America and parts of the Caribbean, where there have been radio blackouts R2 level (high level).

Begins the summer, the longest season of the year

The start of summer is marked by the position of the Earth from the Sun.

The astronomical summer, the longest season of the year with 93 days and fifteen hours.

Summer astronomical longest season of the year with 93 days and fifteen hours, will officially start on Thursday at 09.01 hours of the morning hours between the mainland and phenomena that may consider include "meteor showers" delta Aquarius and the Presides.