This picture of the star formation region NGC 3582 was taken using the Wide Field Imager at ESO’s La Silla Observatory in Chile. The image reveals giant loops of gas ejected by dying stars that bear a striking resemblance to solar prominences.
How big is our Sun compared to other stars? In a dramatic and popular video featured on YouTube, the relative sizes of planets and stars are shown from smallest to largest. The above video starts with Earth’s Moon and progresses through increasingly larger planets in our Solar System.
The biggest solar blast in four years erupted late Monday, and it’s sending jets of charged particles right at Earth. The spray will spark bright auroras when it hits the magnetosphere in the next 24 to 48 hours.
Neptune was discovered in 1846. In 2010, astronomers observe as the farthest planet from the sun (sorry, Pluto) completes its first full solar orbit since then, a journey of some 17 billion miles.
Six planet orbit Kepler-11, a sunlike star 2,000 constellation Cygnus distant in the constellation Cygnus. Those are teh second batch of data of the planet-hunting Kepler Space Telescope, revealing much more possible new planets. Read more