Revi did the calculations.
The asteroid belt where the Death Fleet carries out material supply is approximately 2.1-3.6 astronomical units away from the main sequence star of this star system.
The distance from his life planet "Blue Mercury" is 1.1-4.6 astronomical units.
Based on the propagation speed of electromagnetic waves of nearly 300,000 kilometers per second, it only takes 8.3 minutes to reach a distance of one astronomical unit.
Taking the farthest point of 4.6 astronomical units as an example, it only takes 38 minutes to send a signal from Blue Mercury to the farthest end of the asteroid belt.
It's only half an hour.
Of course, the size of the signal device is too small. Although 10 billion shortwave messages per second is a lot, in the vast and infinite universe, it is like sprinkling a handful of sand into the ocean, and the information density is quickly diluted to a pitiful level.
However, according to the wide-area random algorithm, the probability of receiving at least one shortwave message within three days in the universe three or four astronomical units away is over 99%.
After receiving the message, the Death Fleet immediately sent a directional reply signal towards Blue Mercury.
In half an hour at most, Levi would be able to hear the reply from the fleet through the radios on the roof.
The signaler was launched on the afternoon of the 14th. Today is July 15th, and more than a day has passed!
If I don’t hear a reply in the remaining two days…
Think of this.
I looked at the radios at my feet and listened to the random noise signals coming out of them.
Levi's face turned a little gloomy.
And with every minute that passed, his heart sank a little more.
With every passing hour, he became more anxious.
I don’t even dare to think about it!
…
late at night.
It was a little after three in the morning.
On the rooftop of the apartment building, Levi moved a stool and sat next to the radio, not feeling sleepy at all.
Sometimes he glanced at the radio on the ground.
Sometimes I looked up at the starry sky above my head, which was blocked by a thin haze.
Sometimes I stand by the concrete guardrail and look at the city at night with a confused look.
Sometimes I even had auditory hallucinations, thinking that the radio was making regular beeps, but it turned out not to be the case.
Daybreak soon arrived.
The orange sun rose over the city skyline in the east.
The soft morning light poured down on Levi's face, and the magnificent sunrise made his increasingly tense spirit relax for a second or two.
But what followed was even more annoying!
Because after the city woke up, the sounds of car horns, commercial activities, and construction work were so loud that he could not hear the characteristics of the information broadcast by the radio.
In July, the hottest season, the average outdoor temperature exceeded 30 degrees Celsius, and near noon, it was even above 35 degrees Celsius.
Levi was on the rooftop, with no shelter around him. The cement floor became hot when exposed to the sun. By noon, the surface was hot enough to fry an egg.
Levi just held an umbrella. When he couldn't stand the heat, he drank some water, wet his face, and sprinkled some water on the ground under his feet to cool down physically.
As for those radios, except for going to the toilet and taking a shower, I would have to leave for a while and let Shu Yuhui take care of them. The rest of the time, such as eating and resting, I would spend all my time on the roof.
Seeing him in this crazy state, Shu Yuhui was frightened.
One time, when she brought dinner over, she couldn't help but say, "Levi, why don't you go downstairs and have a rest? I'll keep an eye on the radio for you. You haven't slept for a whole day and night. You can't take it if you keep going on like this."
After saying this, Shu Yuhui began to regret it, secretly cursing herself for asking for a beating. How did this guy treat her yesterday? He treated her like an animal. What a wicked boss! He didn't even treat her like a human being.
But only one day had passed and I had softened my heart. He had been exposed to the scorching sun all day and still dared to suggest that I take the lead.
If she really did it, within two days, her carefully maintained fair and tender skin would be tanned.
"No, you can't help me."
Levi waved his hand.
Shu Yuhui breathed a sigh of relief, but for some reason, she wanted to ask him what happened. What happened?
Could it be that she really couldn't help at all?
also.
Ji Yumo also ran to the rooftop several times, looking at the radios, very curious about their uses, asking questions one after another, which made Levi very annoyed.
"I see!"
The girl suddenly realized and said, "Brother Levi is planning to use these radios to listen to the signal sent back to the ground by the small satellite to verify whether the small satellite is working properly?"
"But you look so worried. Is it because things are not going well and you are not receiving any signals?"
Levi was too lazy to pay attention to her and just kept frowning and silent.
Ji Yumo nodded, knowing that he had guessed correctly. Brother Levi had indeed encountered some trouble. He had finally launched the satellite into space, but could not receive any signal. This could be said to be a failure.
"Brother Levi, don't be discouraged. As long as you work hard, you will definitely succeed next time!"
The girl said a few words of comfort, but seeing that the sun was too hot and she couldn't keep him company, she had to go downstairs.
…
soon.
The sun sets again, night falls, and the full moon hangs high in the sky. Because the sea breeze blowing from the east is strong tonight, the haze has dissipated and the night sky is clear, so it is rare to see the stars in the sky and the brilliant Milky Way.
But at this moment, Levi's heart had fallen into the deepest trough.
Because two and a half days had passed and the radio had not yet received the expected signal.
Negative emotions such as irritability, pessimism, disappointment, etc. all flooded into my heart.
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