AstroBlog Follow Friday & Weekly Stumbles For 2011-12-09

Course Excellent, Adjustment Postponed: Mars Science Laboratory Mission Status Report

Excellent launch precision for NASA’s Mars Science Laboratory mission has forestalled the need for an early trajectory correction maneuver, now not required for a month or more. That first of six planned course adjustments during the 254-day journey from Earth to Mars had originally been scheduled for 15 days after… Continue reading

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