There are mainly two types of supernovae: type I and type II supernovae. Type I supernovae are characterized by the absence of hydrogen spectral lines...
On April 12, 1961, Yuri Gagarin became the first man to travel into space. Aboard the Vostok 1 spacecraft, launched by the Soviet Union, Gagarin...
Gravitational disturbances can lead to orbit crossings between asteroids and Earth. These disturbances are mainly caused by the gravitational attraction exerted by the planets of...
The formation of the solar system dates back to approximately 4.6 billion years ago. It all began with the collapse of a large interstellar nebula...
Saturn's rings formed billions of years ago from planetary debris, captured moons, and collisions between small celestial bodies. These particles orbiting around the giant planet...
Interstellar dust is composed of microscopic particles of matter, mainly silica, graphite, and water ice. These particles are distributed in the space between stars within...
The Earth rotates on itself from west to east, in the opposite direction of the hands of a clock when observed from the North Pole. This complete...
The variation in lunar phases is due to the changing position of the Moon in relation to the Sun and Earth. The origin of these...
The asteroid belt is located between the orbits of Mars and Jupiter, at a distance of about 2.2 to 3.2 astronomical units from the Sun. It is...
The formation of the solar system dates back to about 4.6 billion years. It is the result of the collapse of a solar nebula, a...
