Why does the universe have fewer dwarf galaxies which should?

Turn and shoot the Question: "What about the sun?". "He went to sleep," his mother answered thinking an explanation that satisfies the curiosity of his three years. "He night," says halfway between the statement and the question and question again looking at the sky: "What about the moon? In these sentences, little seems to sum up, with its childlike simplicity-the concerns, from primitive man to the present day, led mankind to observe the sky for answers to many questions.

Probe NASA image of Earth is 1.5 billion km

NASA released the first images of the Earth from untreated about 1.5 billion kilometers. The record was made by the Cassini spacecraft, orbiting Saturn, and will make part of a mosaic that shows the giant planet and our planet.

Mars suffered early loss of most of the atmosphere

When I was a young man with less than 500 million years ago, Mars suffered a catastrophe that hung its magnetic field, leave it exposed to strong solar winds and caused him to lose most of its atmosphere. This is the most plausible story for children on the planet, according to the latest findings of the rover Curiosity.

The conclusion is in two studies published today in the journal "Science" that reveal with unprecedented precision the composition of air on Mars.