Night.

Ron stood on the balcony, looking up at the sky.

It's not like he's having a bad brain, it's not that he's posing.

Because he thought of a question.

This world, and the earth, are not in the same universe.

According to the research of geoscientists, the size of the currently observable universe is estimated to be 93 billion light-years in diameter.

What a concept it is.

Anyway, Ron couldn't figure out how big the universe was.

But judging from the two worlds he traveled, each world is a planet, and there is also a cosmic starry sky.

So here's the problem.

Is this starry sky overhead, including the Earth, the same starry sky?

I don't know.

So Ron stood on the balcony at night and looked up at the sky.

I want to find some familiar pictures from this starry sky.

Unfortunately, with his shallow knowledge of astronomy, there was no difference at all.

It's all stars anyway.

It doesn't make a difference.

"Tina, I'll go back to Earth, and if someone comes to me, you'll say I'm in retreat."

After Ron confessed, the figure vanished.

……

Earth.

When Ron returned, he approached the secretary and asked if there were any astronomers on the base.

Answer: Yes.

No.

"Arrange a few astronomers to come over, and be quick."

Ron called Galiyev and asked him to arrange for a couple of astronomers to come over.

Less than three hours.

Six astronomers arrived at the base.

"I would like to inquire about how if we are on a planet other than Earth, how can we determine whether this planet belongs to the same universe as Earth through this starry sky above us."

Ron asked directly.

The six experts all had strange expressions when they heard this question.

But they were invited here by the security services, and they also knew what to say and what not to say.

"The problem is very simple, just find the pulsar, and then calculate the position of the planet by calculating the position of the three pulsars."

One of the experts immediately replied.

"Pulsars? You're talking about neutron stars."

"Yes, but pulsars are a type of neutron star, and not all neutron stars are pulsars."

"So, what if you can't find a pulsar? For example, what if this planet is on the other side of the universe, and the starry sky is completely different from the one seen from the Earth, and you can't find a pulsar on the other side of the Earth?"

Ron thought for a moment and asked again.

"This...... If you just want to determine whether the planet is in the same universe as the earth, you can actually use the cosmic microwave background map to verify it.

Just measure the cosmic microwave background map on that planet, and then compare the data with the cosmic microwave background map measured on the Earth's side.

Even if the two planets are far apart, the data of the cosmic microwave background map cannot be too different.

In addition, the size of the universe can be measured, and if the diameter of the universe measured from that planet is too different from the data measured on the Earth, it can also be judged."

Another expert spoke.

"Very well, what equipment do you need to measure cosmic microwave radiation, what equipment do you need to measure the diameter of the universe?"

Ron nodded, ready to take the measurements.

"The measurement of cosmic microwave radiation is so simple that a high-power radio telescope can do it.

As for the diameter of the universe, it's better to calculate, judge the expansion rate by the redshift law, and then calculate the expansion time."

Well.

It's really simple.

Ron understood, but he didn't know how to calculate, let alone operate.

Don't be a god.

A wave of illusions went down, and the problem was solved.

Why should he do his own research, just let the professionals study it.

A few experts were sent inside the mechanical hive base, and then a large radio telescope was built.

With that done, Ron returned to the Atlas.

"Coming back so soon?"

Tina thought Ron was going to be there for a few days, but it was only a few hours before he returned.

"Well, I didn't figure it out, so I just asked someone to come and study it."

With that, Ron went to the sky above the manor and unfurled the huge radio telescope.

There is no need to consider electromagnetic interference.

The Otherworld does not have as much electromagnetic interference as the Earth, and radio telescopes are almost free from any interference except for the magnetic field of the planet itself.

After all this, there is nothing to do with him.

All data records and calculations are carried out by those experts.

They're not actually tired.

The supercomputing of the base is more advanced than the supercomputing of the earth, and 100% of the computing power is handed over to them.

All they need to do is hit the keyboard.

Nothing was said all night.

Early the next morning, Ron asked the maid of the manor to prepare a few more breakfasts.

He entered the base with breakfast.

As a result, in the main control hall, he saw six red-eyed madmen.

"Is the data out?"

"Come on, don't rush...... It's out."

"What was the result?"

"How much bigger than SDSSJ073739.96+384413.2?"

"Preliminary estimates suggest that this black hole is 372.8 billion times the mass of the Sun and more than three times the mass of the largest black hole previously discovered."

"It's horrible."

"How can there be such a big black hole?"

Ron looked at the crazy people and felt like they were going to be demonic.

"Are the results out?"

Ron didn't care about black holes, he just wanted to know what was going on in this universe.

"Director, the results are out, and the data that has been calculated so far, this is the unknown universe."

Seeing Ron coming, one of the experts immediately clicked on the computer, revealing two pictures.

One picture is a cosmic microwave background map of the Earth's measurements.

The other is the cosmic microwave background that they detected last night.

Although the second picture is not very complete, it can be seen from the halo division on the two microwave maps that the two pictures are completely different.

It's not a universe.

That's good.

Ron breathed a sigh of relief.

If it's not a universe, that's fine.

If so, the planet is in danger.

"What is this?"

"Isn't the data right, this regular electromagnetic signal?"

"Could it be the electromagnetic waves emitted by aliens?"

It was at this time.

One of the experts suddenly noticed that a string of data on the computer was not right.

He clicked on the information on the data.

A regular string of electromagnetic waves was seen.

This time.

A few people were excited again.

It doesn't matter if Ron is here or not, he immediately devotes himself to the study of this electromagnetic wave signal.

"Let's play back the raw data and see."

"Don't worry."

With a series of operations, the original signal is stripped out and played.

Electromagnetic signals can be converted into audio, but they may not be understood.

But after this electromagnetic signal was played, everyone understood.

"Great ......"

Grass!

Ron's face changed dramatically.

He didn't even have time to turn off the audio, but directly blew up the audio equipment.

It's a pity that at the moment of audio playback, an invisible force has already appeared.

Ron didn't have a problem.

After all, he is protected by taboos, and this bit of information pollution can't affect him.

But those experts are different.

The moment they heard the audio play, their souls were polluted.

Ron even felt the imprint of the other gods in their souls, and it became unstable.

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Chapter 82 Special Electromagnetic Signals Free Reading.