However, we have to see to it that it is not the last croak of a dying cowboy.
It went into hibernation on November 2015.
A detailed analysis suggests that the lander had been aware earlier but unable to make contact, ESA said.
The lander seems to be perfectly healthy.
Philaes official Twitter account also came back to existence on Sunday, tweeting: Hello Earth!
Can you hear me?.
The rock and ice that make up comets protect ancient organic molecules like a time capsule.
Scientists worn the surface of Comet 67P/Churyumov-Gerasimenko for months with the hope that the lander would restart.
Now the challenge is to review the state of the lander itself with scientists waiting for the next contact.
Comets date back to the formation of the solar system some 4.6 billion years ago.
Some scientists believe that comets delivered water to Earth when they collided with the planet eons ago.
McCaughrean said that Comets are treasure chests of material from the birth of the solar system.
source: www.techworm.net
