Could the Earth Have a Ring?
In fact, the piles of debris that will be scattered into Earth orbit (perhaps as a result of a collision) may form a rough ring for a short period of time, such as a few tens of thousand years. After the collision that caused the formation of the Moon about four billion years ago, such a ring was formed around our planet. However, for this ring to be permanent, our world needs some helpers, and even a little more.
The rings formed around the planets can be considered prisoners of the gravitational war between them and their satellites. In other words, these satellites, in a sense, fulfill the task of protecting the rings from the greedy desire of the main planet to devour them. Each of the rings around Saturn remains in place and continues its life under the influence of a separate satellite.
However, this is not enough. The small particles that make up the rings lose the momentum that allows them to orbit relatively quickly, and eventually succumb to the planet’s gravity, disperse and fall to the surface.
That is, these rings must be constantly fed with new materials. As you might guess, this material is dust, ice and rock fragments scattered from satellites.
Also, in order to have bright and wide rings like Saturn, the Earth must be far from the Sun. Because the main elements of the ring structure are water and carbon dioxide (and sometimes even nitrogen) ice. However, our planet Earth receives too much heat and light from the Sun in its orbit for ice structures to remain solid. In this case, the only material we have left to make a ring is; stones and rock fragments.
However, as we mentioned above, these stone pieces cannot remain in orbit for a long time. Even if such a rock ring had formed at the lagrange points provided by our only existing satellite, over time they would have been swallowed and destroyed by the gravitational effects of both the Earth and the Moon, which was already done billions of years ago.
Moreover, rocky rings are unfortunately not “bright”. For example, Jupiter, Neptune and Uranus have thin rings like this, mostly composed of rock fragments and dust. However, these rings are so faint compared to Saturn’s icy rings that they are almost impossible to detect in visible light.
So, in essence; Even if we had a rocky ring, it wouldn’t look very cool and unfortunately it wouldn’t be able to decorate our night sky, but we don’t need to be upset with our luck. Because if we were far enough from the Sun to have an ice-shaped ring; Just as our planet would not have liquid water, we would never exist either.
What is Magnetar?
Magnetars are, simply put, neutron stars that are significantly more powerful than pulsars because they emit radiation one step above, emitting gamma and x-rays from its surface.
Like pulsars, magnetars are extremely small but dense. Its maximum dimensions can reach roughly 5 km, with a mass of 24.1 times that of the Sun. So far we have only managed to discover 31 different magnetars. Of course, depending on the vastness of space, the real number is likely to be thousands to millions of times greater.
Regarding how strong the magnetic field of these stars is, imagine that the typical neutron star/pulsar can expand spacetime and multiply that by 1000.
Based on these numbers, you can say that magnetars have arguably the strongest known magnetic fields in our universe.
The magnetar-like state is believed to last only about 10,000 years, after which their magnetic fields weaken and x-ray and gamma ray emission ceases.
Although unconfirmed, the magnetar, called J1818.0-1607, appears to behave as both a magnetar and a pulsar, implying that magnetars may eventually become pulsars.
Additionally, we can say that magnetars are pulsars on steroids. They can be more than 1000 times more powerful than pulsars and, as a result, have a much stronger effect on their environment.
However, while its flames burn very brightly, their power diminishes over time; While a magnetar’s strength may wane in as little as 10,000 years, pulsars continue to explode for anywhere from 10 to 100 million years.
To The Space!
Space tourism, which many companies have been working on in recent years, will enable people to easily travel to space in the future. For example, high-speed orbital flight packages introduced by companies such as Virgin Galactic and Blue Origin will enable people to approach the Earth’s atmosphere much more comfortably. The US-based initiative Space Perspective, one of those working in this field, introduced the hot air balloon-like spaceship named Spaceship Neptune, which has the capacity to carry 8 passengers at a time, in 2020.
Additionally, Space Perspective exhibited the interior of the Spaceship Neptune vehicle, which will carry its passengers to the stratosphere with its giant balloon. The vehicle, which will offer unique views with its 360-degree panoramic windows, looks quite impressive.
Space Perspective, which will take its passengers 30 km above the ground, says that the space called Space Lounge can be customized for different occasions such as group events or dinners.
In the capsule, where the entire experience will be recorded with internal and external cameras, passengers will also be able to observe the Earth and space from a distance with the help of telescopes.
The journeys in question will begin at daylight and will reach the maximum altitude of 30 kilometers in approximately two hours.
After spending 2 hours here, space tourists will begin their landing journey, which will also take 2 hours.
The company announced last year that it had started selling tickets for space balloons that will rise 30 kilometers into the stratosphere. Those who want to go into space with these balloons have to pay 125 thousand dollars. These commercial flights, which last six hours in total, will start in 2024.
This Week in Our Art Corner
Jules Verne- From The Earth to The Moon
From The Earth to The Moon, or originally known as De la Terre à la Lune, is a science fiction story, one of the first examples of its kind, written by Jules Verne in 1865.
This novel, written 104 years before mankind set foot on the surface of the Moon, is among the most famous works of Jules Verne (1828-1905), the pioneer of the science fiction genre in literature.
In the novel, written in 1865, it starts with the project of “sending bullets to the Moon”, which can be called a “dream” and is difficult to realize, as a result of the efforts of the members of the “Gun Club”, where retired soldiers gathered after the American Civil War, to come back to the agenda and keep the gun work alive. events are described.
From The Earth to The Moon consists of twenty-eight chapters. It is about the preparations and excitement experienced by a large group of people for a bullet to be sent to the Moon.
In addition, Verne’s calculations and predictions about traveling to the Moon in the book have a realistic explanation, despite all the lack of information at his time. When his estimate of the project cost is compared to the values of the US dollar in 1865 and 1969, an interesting closeness emerges. However, Verne’s scenario is an impractical fiction, as an acceleration high enough to carry the crew out of the atmosphere would also cause the deaths of the passengers.
- The name of the cannon in Verne’s story is Columbiad, and the name of the control module of Apollo 11, the first to go to the Moon, is Columbia.
- In both, the crew consists of three people.
- Verne envisioned takeoff from Florida, as happened on Apollo 11.
- He envisioned the landing being in the ocean, not far from where Apollo 11 landed, just like the Apollo 11 astronauts did.