That brief sentence instantly chilled the atmosphere in the command center.
At that moment, an old advertising slogan even sprang to Lü Yongchang's mind.
Cool to the core, spirits soaring.
"A long time... what does that mean?"
Fang Xu's slightly hoarse voice rang out. "Could they have been watching us since we were on Earth?"
"If that's the case, their level of technology..."
He left the sentence unfinished.
But everyone present understood what it meant: in the other side's eyes, Human Civilization was as insignificant as ants by the roadside.
Perhaps because they had received a response, complex messages began streaming in from the direction of Ross 154.
[By your reckoning of time, it should have been 64 years ago, when your probe disturbed my slumber.] [Using a stellar system on the verge of destruction as an information relay station...] [Heh...] [That was a good approach. Very cautious.] [In this universe, there is nothing wrong with being cautious.]
Lü Yongchang sharply sucked in a breath.
What had he just seen?!
All the efforts Human Civilization had previously made to conceal its coordinates were as plain as an open book to the other side!
It was not just Lü Yongchang. By now, the entire command center had descended into chaos.
"Quiet!"
Lü Yongchang stared grimly at the holographic projection before him. "Zero, have they sent any other messages?"
"Professor, there are no new messages."
"Disconnect all signal interfaces." Without the slightest hesitation, Lü Yongchang gave the order. "Launch the self-diagnostic program immediately."
"Focus on checking all the data transmitted back by the Interstellar Probe over these past 64 years!"
"Signal interfaces disconnected," Zero's voice sounded again. "Running system diagnostics..."
As he watched the diagnostic progress bar on the holographic projection, Lü Yongchang's eyes filled with terror.
*This was a