Since its discovery in 1930 , Pluto has been the subject of debates about the true nature of the planet or not. Always been considered as the smallest planet in the solar system , it is also smallest of our moon.
The latest astronomical discoveries have highlighted the existence of an entire asteroid belt beyond the solar system. This discovery which established once and for all the de-classification of Pluto from planet to asteroid. In fact asteroids have been discovered even larger than Pluto. The source of contention was the discovery of 2003 UB313 which was given the name of the planet Xena (from the greek foreign ), 10 planet of the solar system , as at the time of its discovery, Pluto was still considered a planet. Others took instead this discovery as the reason for which it was necessary to reclassify Pluto as an asteroid and no more planet.. Continue reading [..]
This is one of the best freeware satellite tracking who has ever tried before. The program is suitable for both beginners and advanced amateurs. In its simplest form you can see, for example, the positions of the ISS or Space Shuttle and follow the Ground-Track.
Enriched by an extensive database of satellites, you can have the hours, contact details and preview the surface GEOGRAPHICAL theory that the satellite will fly.. Continue reading [..]
Among the many photographs of the Earth, the best are undoubtedly those produced by NASA in 2005, obtained after 3 months of photo shoots from the two satellites Terra and Aqua. The images of the two hemispheres are these: ..
Stellarium is a software project that allows the user to use your PC as a virtual planetarium. E ‘can calculate the position of the sun, moon, planets and stars, and play in the sky as they would appear to an observer at a given place and at any given time.
It can also draw the constellations and simulate astronomical phenomena such as meteor showers, eclipses of the Sun and Moon. Stellarium can be used as an educational tool for teaching the starry sky at night.. Continue reading [..]
The Hubble Space Telescope (HST abbreviated English name from the initials of the Hubble Space Telescope, or just Hubble) is a telescope placed in the outer layers of Earth’s atmosphere, about 600 kilometers altitude, in orbit around the Earth (each orbit takes about 92 minutes). It was launched on April 24, 1990 with the Space Shuttle Discovery as a joint project of NASA and European Space Agency.
The telescope can reach an angular resolution better than 0.1 arcseconds.. Continue reading [..]