In this week’s question, Gizmodo carefully interviewed astronomers about the destruction of the Earth’s “satellite.” Although this idea has existed in science fiction for a long time, it is worth understanding that what would actually happen if this scenario came true.
Caitlin Ahrens: Astronomer, physicist, bachelor’s degree in Planetary and Space Science at the University of Arkansas.
Let’s suppose we want to explode the Moon, “just for fun”, what are our options?
The moon is a spherical rock with gravity. This means that the stones and dust particles are all joined together by a “binding energy” – the minimum amount of energy required to disintegrate a particle structure block into separate parts.
The moon is a spherical rock with gravity.
The moon is an object with a mass of 7.3×10 ^ 22 kg and a radius of 1.737 km.
Actually turning it to ashes is not entirely easy at all. Anything smaller than the binding energy will cause the stones to regroup themselves into a sphere. The Moon’s binding energy has a value of 1,2×10 ^ 29 Joule.
With these parameters, we have three options:
Nuclear: The binding energy is converted to the same TNT energy 2.86×10 ^ 13 Mega-tons TNT. With the most destructive bomb in the Cold War creating 50 mega-tons – it takes 572,000,000,000 bombs to destroy the Moon!
Lazer: The energy from the Sun in 6 minutes is 3×10 ^ 13 Mega-tons – just enough to completely evaporate the Moon!
Drilling: To occur, we need to create an earthquake on it with a magnitude of at least 16.45 on the Richter scale – while the largest earthquake recorded on Earth is 9.5 on the Richter scale.
Pamela Gay: Astronomer, writer, director of Technology and Citizen Science at Pacific Astronomical Association.
How will the destruction of the Moon affect the life of all life on Earth?
If the energy produced were enough for the moon to explode, the first thing that could happen is the casualties to humans. The moon is retained by gravity and in the micro direction is the chemical bond between the rocks, the stones or even the grains of sand. Therefore, fragments of the Moon will “fly” at great velocities – with large pieces, large holes can be created, while small pieces will burn in the atmosphere.
The moon explodes, the first thing that can happen is casualties to humans.
If the energy produced were enough for the moon to explode, the first thing that could happen is the casualties to humans.
In some special cases, the large pieces of meteorite that touch the Earth will create shock waves with the ability to create tsunamis, the disease is a large amount of debris flying into the atmosphere. At the point of impact, it may be so hot that evaporation of large water bodies can occur.
Even though its small debris falls may not cause immediate casualties, when the speed is reduced due to friction, the momentum gradually turns into heat. The more these small meteorites enter the air, the more they will heat up the atmosphere. At some point, convection makes the Earth itself a furnace, and it will cook anything that’s not under the ocean and lying on the ground.
What about the tide if there was no moon?
Nearly all the water on the surface of the Earth will be scattered.
As intended, any river or ocean created after this event will not be affected by the tide – because there will be no more tides created by the Moon. In addition, it is possible that the small rocks and fragments of the Moon may form a “satellite” and will impact the environment, there may be new tides based on the cycle cycle, the distance and diameter of this object from Earth.
Konstantin Batygin: Astronomer and assistant professor of Astronomy Science at Caltech.
And after this event, will the Earth’s shape change?
Without the Moon, the Earth would spin very chaotic.
The moon is really valuable – it balances the Earth’s axis of rotation. Otherwise, the Earth will spin chaos between 0 and 85 degrees. Although the time period for such changes is too long (tens to hundreds of millions of years), the chaotic changes of the Earth’s oblique can have an adverse effect on climate stability and the possibility of climate change. collective habitation of our planet.
Therefore, we may not even exist without the moon’s presence in the first place!