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Planets are turning out to be so common that to show all the planets in our galaxy, this chart would have to be nested in itself--with each planet replaced by a copy of the chart--at least three levels deep.

Astronomers discover 'young Jupiter' exoplanet Stanford physicist Bruce Macintosh, lead investigator on the Gemini Planet Imager, explains how this planet could help us understand how solar systems form. Jupiter-Like Exoplanet 51 Eridani b. This is an artistic conception of the Jupiter-like exoplanet 51 Eridani b, with the hot layers deep in its atmosphere glowing through the clouds. Because of its young age, this cousin of our own Jupiter is still hot and carries information on the way it…

Three nearly Earth-size planets found orbiting nearby star. THIS ARTISTIC IMPRESSION SHOWS NASA'S PLANET-HUNTING KEPLER SPACECRAFT OPERATING IN A NEW MISSION PROFILE CALLED K2.

from nytimes.com

So Many Earth-Like Planets, So Few Telescopes

A rendering of NASA’s Kepler spacecraft, which has so far discovered 4,175 potential planets. Credit T Pyle/JPL-Caltech/NASA. Scientists have found more new planets orbiting their stars that look a lot like Earth. The next question: how to study them more closely.

Wolf-Rayet Nebula is a nebula which surrounds a Wolf-Rayet star. There are different types of WR-nebula, based on their formation mechanism: 1.HII regions 2.ejecta-type nebulae 3.wind-blown bubbles 4.neutral hydrogen voids and shells (may be associated gas). The nebula shown is a 'wind-blown bubbles' type.