Articles − Astronomy and nature


Super eruption or global catastrophe, These are supervolcanoes that cause super eruptions, supervolcanoes are difficult to detect...

Astronomy and anguish of the past...	135,000 tons of rock closer to Earth...

Impact craters on Earth	Sagittarius A, our black hole in 2013...

Protoplanet around the star HD100546...	Comparative sizes of planets and stars...


Stellar winds of the Merope nebula...	2012 is the ninth warmest year since 1880...

Asteroid Pallas the 3rd largest...	Video solar winds in space...

After the COBE satellite launched in November 1989, WMAP in June 2001, the Planck probe launched in May 2009 took over to explain the Universe...

Cosmological constants...	Axis of rotation of planets or obliquity...


Explosion live image viewed by Hubble...	2013 the year of comets...

Asteroid Juno disfigured by a collision...	Van Allen radiation belt...

Two new planetary systems...	Number of candidates and confirmed exoplanets...

Cheops, characteristics of exoplanets...	Planetary nebulas...

Conditions for the emergence of life...	Gravitational anomalies of the Moon, the mascons...