() On one side, there is the deep sea of the Earth's Pacific Ocean.

On one side, there is the edge of the solar system a few hundred astronomical units away.

A door that connects the two spaces.

Chen Yu stood at this end of the portal, picked up the second rock, paused for a moment, and threw it into the spatial membrane with his hand.

In just twenty seconds, the rock, which was more than 30 centimeters in diameter, spun and disappeared, plunging into a terrifying darkness......

"The direction is right, the black hole is not far ahead. ”

Taking off his hand armor again, Chen Yu glanced at his watch and sent a private message: "The research institute sent the results of the second calculation, the gravitational acceleration of the rock fall is 2.2 meters per second, and the distance from the black hole is within 150,000 kilometers. And here's some of the acceleration that I'm pushing out. ”

"So ......"

Putting down the watch, Chen Yu looked at the camera: "Keep moving forward." ”

"100,000 kilometers!"

In the dense barrage in the five live broadcast rooms, Chen Yu calibrated the virtual projection orientation and advanced the portal to within 20,000 kilometers of the black hole.

When the docking prompt sounded, he immediately picked up a rock with a diameter of one meter and threw it into the darkness inside the portal.

This time, the speed at which the rock "fell" was extremely fast! In just three or four seconds, it disappeared from the field of vision of Chen Yu and the audience.

Gone?

Acceleration is terrible, isn't it?

Nothing to be afraid of, and it's not a big black hole. After all, it is only more than 100 times the mass of the earth.

Even though disaster is coming, I always want to call 666......

Ditto.

The existence of black holes has now been determined, otherwise with this acceleration, it would be impossible not to see the surface of the planet.

Why didn't the gravitational pull of the black hole suck the anchor on the other side of the portal?

Please re-watch the first live broadcast of the anchor.

There are 300,000 deposits, and if the UP Lord can't save humanity, I'll take my family to enjoy a wave.

When the time comes, the balls are messed up and you still enjoy a hairy ticket?

I've sold the house. (smiles)

Calm down......

......

Aerospace institutes, researchers get more and more data, and the results of calculations are becoming more and more accurate.

"Mass 7.45625000E+26, acceleration due to gravity is 20.72 seconds......"

"Forty-nine thousand kilometers!"

"Forty-nine thousand kilometers!"

"I'm here too. ”

When the old dean got the data, he immediately forwarded it: "Mr. Wang, the distance between you and the black hole is only 49,000 kilometers. ”

......

Inside the island-building engineering ship, Chen Yu received the information and displayed the watch screen in front of the camera: "There are still 49,000 kilometers left, and the direction is correct." ”

"That's a lot close, about a little more than a circle around the Earth's equator. ”

"Because my suit is flying at a vacuum, at least a kilometer per second, much faster than the escape velocity at this distance, I should be able to move forward a little. ”

"Go on! 20,000 kilometers!"

...... Go all the way.

Go all the way.

Go all the way.

Go all the way.

Operated the portal "forward" 20,000 kilometers.

Inside the door, it was still pitch black. There is a lack of references, as if the distance between the spaces has not been narrowed in the slightest.

"Whoosh-"

The fourth rock flew in, and in the blink of an eye, it was gone......

The results of the calculations of the Aerospace Research Institute came again.

"The acceleration of the rock is 59.16 meters per second, and it is 29,000 kilometers away from the black hole. ”

After confirming the distance, Chen Yu stretched out his hand and slid the virtual projection, casually explaining: "There are less than 30,000 kilometers left, if the earth is nearby, the terrifying tidal force will tear the earth apart in an instant." On the scale of the universe, it is really close at hand. Then move on......"

"Twenty thousand kilometers!"

With the fifth docking of the space twists, the portal suddenly lit up with an orange light.

This represents the first layer of warning.

The space film is torn by a strong gravitational pull......

"There are three layers of alerts for portals in the star system, orange light, red light and black light, if it is red, it means extremely dangerous, and black is that it is impossible to establish spatial docking. So now orange warning, don't be too nervous. ”

As he spoke, Chen Yu picked up the fifth rock and threw it into the dark depth.

Moment.

The rocks disappear.

The rate of inhalation is far beyond the upper limit of human dynamic vision.

Subconsciously taking a step back, Chen Yu looked at the camera: "Can you calculate the flight speed of the rock, and how far am I from the black hole?"

Ten seconds later, a reply from the research institute came from the private message interface: "I'm very sorry Mr. Wang, the video recorded by your camera has been received by us, and there is not much information left, and it will be blurry if you slow it down to a certain extent, and you can't accurately calculate the gravitational acceleration of rocks." Can you come to the institute and take away a group of experts and professional equipment?"

Seeing the reply, Chen Yu hesitated for a while and nodded: "Okay, I'll go now." ”

After the words fell, he collected the current space coordinates and docked to the Aerospace Institute in the capital.

In the square inside the door, there were already more than a dozen scientific researchers waiting in the cold wind with various tools, equipment, and notebooks, shivering.

"Oh!"

"It's coming!"

"Hurry in, lithium batteries can't freeze. ”

"Bring on the tripod! ...... quickly"

More than a dozen scientific researchers flocked to the scene, and they didn't have time to greet Chen Yu, so they hurriedly set up high-frame rate cameras and various computing equipment.

Everyone's face turned red with excitement.

Is the earth destroyed or not?

Is humanity extinct or not?

Does the universe exist?

In their eyes, there is a woolen relationship with them?!

Black hole!

It's a black hole!

It's still a primordial black hole that can be observed up close!

Just getting gravitational acceleration data at different distances is a revolutionary breakthrough in physics......

"The king... Mr. Wang, we are ready. A person in charge hugged the weighed rock, walked to Chen Yu's side, and forcibly suppressed his excitement.

"Good. ”

After taking the rock, Chen Yu didn't say much, walked to the portal to recall the spatial coordinates, and threw the rock out under the joint focus of the hovering camera and the high-frame-rate device.

"Whoosh-"

The rock was lost in darkness, and not even a single streamer appeared......

"Tick!"

The ultra-high frame rate camera buzzed, and the researchers immediately exported the video data for intense calculations.

"Gravitational acceleration 593.65 meters per second, a=GM/r2...... 6.6726 multiplied by ten to the minus tenth power M-/kg2......"

"M = 5.965× 24 kg of ten multiplied by 125......"

"The results are in!"

A middle-aged researcher jumped up and yelled excitedly, "9154730 meters away from the black hole!"

"The mass of the black hole is also accurately determined. Another researcher was short of breath: "7.45625331E+26!"

"The escape velocity is also derived, at a distance of 9154730 meters, the escape velocity is 104,255.92 meters per second. ”

"100,000 meters per second?!" Chen Yu was suddenly stunned: "Didn't you say that I couldn't pull it out if I went in?"

Hearing this, many scientific research workers were also stunned for a moment, and then a woman hurriedly explained: "Mr. Wang, it's not like this, you have fallen into the misunderstanding of escape speed. Escape velocity means that when this velocity is reached, it can be thrown out without power. With continuous thrust, you can fly out slowly, even if you are far from reaching this speed. As long as your flight speed is greater than the fall speed. ”

"I see. ”

Chen Yu was stunned, and then said, "Then you should be able to move forward, right?"

"Yes, yes!" ×14

All the researchers nodded like chickens pecking rice, staring at Chen Yu with sparkling eyes.

"That ......"

Chen Yu vaguely felt that something was wrong, but he still stubbornly said: "Keep going, how many kilometers is appropriate?"

"Five thousand kilometers further!"

"Will... Could it be too much?"

"No, it won't. The middle-aged researcher stepped forward and patted his chest: "Please absolutely believe us!"

Chen Yu: "......"

......

(Note: All data are calculated according to the mass of the black hole, and each 0.1 is calculated many times to ensure that it is as true as possible.) Thanks to the support of the two book friends for their "brainpower" and "computing power", I hope it is not a mistake 2333...... ）