Combined visible and infra-red light images of star forming region Sharpless This nebula is located about light-years away in the direction of the constellation Cygnus. It formed less years ago, making this one of the youngest star-forming regions known.
amazing photo of the Orion nebula's center, a cloud of gas and dust known as The work was created by Adam Block at the Mount Lemon Sky Center observatory in Arizona. Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona
The Great Red Spot is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have ob
Mercury is the innermost planet in the Solar System, orbiting the Sun once every Earth days. Mercury is similar in appearance to the Moon: it is heavily cratered with regions of smooth plains, has no natural satellites and no substantial atmosphere.
This image of the sun was taken on July with the Extreme Ultraviolet Imager onboard NASA's Solar TErrestrial RElations Observatory Ahead (STEREO-A) spacecraft, which collects images in several wavelengths of light that are invisible to the human eye.