AstroBlog Follow Friday & Weekly Stumbles For 2012-03-30 

Apollo 11 Moon Landing Site Seen in Unprecedented Detail

The clearest view yet of the famous Apollo 11 landing site on the moon was captured by a NASA spacecraft in orbit around our planet’s natural satellite. The agency’s Lunar Reconnaissance Orbiter zeroed in on Mare Tranquillitatis, or the Sea of Tranquility — the place where humans first touched down on the lunar surface on July 20, 1969. Continue reading

Dark Matter Map in Galaxy Cluster Abell 1689 – Astronomy Picture of the Week 

Dark Matter Map in Galaxy Cluster Abell 1689

This image represents the inner region of galaxy cluster Abell 1689 and the distribution of dark matter around it. Abell 1689 is an immense cluster of galaxies located 2.2 billion light-years away. Dark matter cannot be photographed, but its presence can be inferred by observing the light from background galaxies… Continue reading