Artwork of the cloud tops of Jupiter, the Solar System's largest planet. The view is towards the Sun, with the four large Galilean moons to either side of it. From left to right they are Io, Ganymede, Europa and Callisto....

Kepler-35 is a binary star system, around which astronomers have found a so-called transiting circumbinary exoplanet, Kepler-35b. That is, a planet which orbits both stars as if they were one. This image imagines the view from the surface of a moon o...

This is an impression of the Huygens probe, which touched down on Titan on 14 January 2005. Saturn is shown nearly full (as it appeared when the probe got there) but with a substantial shadow of the ring system on it cast by the Sun. A bit of artisti...

... f the others are much smaller, so-called dwarf-spheroidal galaxies, although a handful are irregular, such as the Magellanic Clouds. These smaller galaxies are shown larger than actual scale, for clarity. Please like or subscribe to my YouTube chann ...

Astronomical artwork of a protogalaxy, or a primeval galaxy. These were very early, giant clouds of gas which were forming into the first galaxies. It is believed that the rate of star formation during this period of galactic evolution will determine...