Coma Cluster

Basic Information What is this? The Coma Cluster, which contains thousands of galaxies Where is it in the sky? In the constellation of Coma Berenices How big is it? The cluster is millions of light years across How far away is it? Around 300 million light years away What do the colours represent? Red and […]

Abell 2319

Basic Information What is this? The galaxy cluster Abell 2319 as seen at seven of Planck’s frequencies Where is it in the sky? In the constellation of Cygnus the Swan How big is it? The cluster contains hundreds of galaxies, and each panel is around 2 degrees across How far away is it? The cluster […]

First Full-Sky Image

Basic Information What is this? An image of the whole sky as observed by Planck Where is it in the sky? It <em>is</em> the sky! How big is it? This image shows our own galaxy, and also the very early Universe How far away is it? The earliest stages of the Universe are seen as […]

Perseus

Basic Information What is this? The sky around the constellation of Perseus, centred on the Californai Nebula Where is it in the sky? in the Constellation of Perseus the Hero How big is it? The image is about 30 degrees across How far away is it? The California Nebula in the centre is about 1500 […]

Orion

Basic Information What is this? The constellation of Orion as seen by Planck Where is it in the sky? In the constellation of Orion the Hunter How big is it? The image is about 10 degrees across How far away is it? Much of the material is thousands of light years away What do the […]