AstroBlog Follow Friday & Weekly Stumbles For 2011-09-09 

The retirement of the space shuttle has sparked a debate about the value of human spaceflight. Some see it as a waste of resources. Robots are better, cheaper alternatives, they say – and robotic missions don’t risk human lives. Others see the ability to fly humans into space as being tied up with national prestige, influence, and soft power. Continue reading

Ara Constellation 

Ara constellation map

Ara is a southern constellation located between Scorpius and Triangulum Australe. It was one of the 48 Greek constellations described by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations defined by the International Astronomical … Continue reading