In October 2017, astronomers in the world realized they saw something completely unbelievable: an object that was obviously a visitor from another solar system.
And now some scientists from Harvard argue that an object that has passed through our solar system without unprecedented speed may not be a coincidence.
Before we examine the scientist's claims, we should summarize what we know: this "something" was 230 meters long, 35 meters wide and roughly shaped like a cigar. The color of the object was dark red. Rotates around its longitudinal axis.
"Oumuamua" has visited hot. It's Hawaiian for "Spaniards from a distance".
Initially, the object is classified as a comet and then as an asteroid. But it does not matter. Especially considering his way.
In particular, comets often have very eccentric roads that are far out in the back yard of the solar system before they return and begin to "fall" toward the Sun again.
Sometimes the passage around the sun gives them an additional "punch" (the same principle as the snake), so to the extent that they are well ejected from the solar system.
A long-time visitor
But Oumuamua proved to be very exotic of it. The road was hyperbolic, ie it did not start or expire in our solar system. He came from outside. And after a narrow curve around the Sun, he disappeared into the darkness.
It is therefore considered an interstellar object.
And Oumuamua did not stop me from looking closer, if we say so. The weight of the sun accelerated to a great extent: when the Oumuamua rounded the sun, the speed was almost 316,000 kilometers per hour.
Oumuamuas went through the Solar System.
Oumuamuas the way through the solar system.
And now it's on the way out of the solar system, with a slight north rise in relation to the solar ecliptic, or the "equator".
But, while still moving around 30 kilometers per second – like butterflies from happiness, in order for Meat Loaf to say – the Oumuamu will last nearly 20,000 years before it is completely out of our solar system.
In January 2019, however, it will pass Saturn's orbit and in 2022 come out of Neptune, the most recent solar system's planets.
Shine is a scam?
And as it has been said, now there are those who believe that Oumuamua can hide the secret under his stone, ragged outward. Nothing new under the sun, this enjoyment has flourished in the conceived growth of the network since we became aware of the existence of Oumuamu.
There were even those who wanted to call the stone a Rama, because it has a certain external similarity to interstellar alien Arthur C Clarkes that passes through the solar system in the same way as Oumuamu in the book Meeting with Rama.
However, there are now two serious academic experts from the Harvard University in the United States, Professor Abraham Loeb and researcher Schmuel Biala, who seriously point out that Oumuamu may be a space bomb that is emitted from alien civilization.
We realized that they would spy on us. (A hypothesis that has been de facto tested by listening to it in case any type of radio link with any third party shows it to be completely silent.)
Suspicious fast acceleration
Especially is the acceleration of Oumuamuas when the sun is rounded by scientists to doubt that there is something unsuccessful in this process. They think that such an acceleration could be because the vessel, sorry, the asteroid de facto is hollow and much lighter than it looks.
Assuming that the Oumuamua is an empty cylinder and is very light in relation to its volume, the speed can be achieved by the effect of sunbathing, that is, the pressure of radiation from the particles in the sunlight gives it pressure.
That it is possible to sail by the wind of the sun, this is not news, but Johannes Kepler described the phenomenon in the letter to Galileo in 1610.
In our time, there are theoretical plans for the exploitation of the phenomenon of space needs, such as the Breakthrough Starshot initiative, and even practical experiments like the IKAROS project.
Not all are convinced
But this Oumuamua would be an interstellar solar-sealed yacht, the research director Pekka Janhunen at the Meteorological Institute is very hard to believe. Janhunen, who is pronounced for Ile, therefore developed an electrical variant of the sunken seal.
Janhunen considers Loeb and Biali hypothesis "pretty wild"
Loeb and Biali draw attention to the fact that the Oumuamu is never surrounded by the usual gaseous gas, which usually occurs when asteroids pass near the Sun and a strong heat causes matter inside the celestial body to gasify.
Janhunen believes that Oumuamu is likely to spend so long in the interstellar space that he is "strengthened" so that he no longer supplies gas.
It has been suggested earlier that Oumuamua is an ancient comet whose ice was burned during the previous passage alongside another sun.
"Exceptional Claims, etc."
Another scientist who is skeptical about the conclusions of his colleagues from Harvard is Alan Jackson, a planetary scientist at the University of Toronto, Scarborough, who believes Loeb and Biala studies are "really inadequate".
Jackson also reminds us of Karl Sagan's words: "Extraordinary claims require exceptional evidence."
"This study suffers from a significant lack of evidence, and we do not mention exceptional evidence.
Jackson, who published a study suggesting that the Oumuamu comes from a binary system, or a system of two solar energy, also suggests that all spectral analysis of light from the Oumuamu indicate that it is an asteroid.
Loeb and Biala are aware of this, but suggest that someone could cover Oumuamu with "interstellar dust" to hide his true light signature.
What do they say in Hollywood movies? "If you say so …"