Rosetta’s lander Philae has come out of hibernation, sending signals to ESA’s European Space Operations Centre in Darmstadt over the weekend from the surface of Comet 67P/Churyumov-Gerasimenko.
“Philae is doing very well: It has an operating temperature of -35ºC and has 24 Watts available,” explains DLR Philae Project Manager Dr. Stephan Ulamec. “The lander is ready for operations.”
For 85 seconds Philae “spoke” with its team on ground, via Rosetta, in the first contact since going into hibernation in November.
But the lander apparently was active even earlier than that.
“We have also received historical data – so far, however, the lander had not been able to contact us earlier.”
Philae shut down on 15 November 2014 at 1:15 CET after being in operation on the comet for about 60 hours. Since 12 March 2015 the communication unit on orbiter Rosetta was turned on to listen out for the lander.
More on the historic comet mission:
Rosetta: ‘At the limit of what humankind can do’
All set for our first comet landing
Originally published by Cosmos as Philae comet lander wakes up and phones home
Bill Condie
Bill Condie is a science journalist based in Adelaide, Australia.
Read science facts, not fiction...
There’s never been a more important time to explain the facts, cherish evidence-based knowledge and to showcase the latest scientific, technological and engineering breakthroughs. Cosmos is published by The Royal Institution of Australia, a charity dedicated to connecting people with the world of science. Financial contributions, however big or small, help us provide access to trusted science information at a time when the world needs it most. Please support us by making a donation or purchasing a subscription today.