January 2019
Preparing for a robotic revolution in Earth orbit
... on Mars, but those have significant differences from robots that remain in orbit.) The Canadarm used on the US Space Shuttle and Canadarm2 on the International Space Station (ISS) are well known. But those are officially ‘manipulators’ rather than...
June 2019
Does the speed of light change with time?
... enough to overturn our current understanding of the universe? In a year’s time the Atomic Clock Ensemble in Space (ACES) is scheduled to fly aboard a SpaceX Falcon 9 rocket to the International Space Station (ISS). The goal of ACES, put simply...
April 2020
Satellite mega-constellations pose threat to ground-based astronomy
... have enjoyed tracking the satellites and the International Space Station (ISS), and registering the impressive flashes caused by the older Iridium satellites. Typical smallsats in a mega constellation. The European Space Agency’s Space Debris Office...
October 2020
Microgravity and its effects on the human brain
... 90-minute flight by Yuri Gagarin almost 60 years ago routine space missions are getting longer in duration, with flights of up to six months or more on the International Space Station (ISS) now typical. Future missions will undoubtedly last even...
