What cosmic events can cause destruction to the Earth but humanity has no counter measures developed still?
1) Very strong gravitational waves, from two black holes colliding in our vicinity, that can push the Earth out of its orbit around the Sun.
2) Huge asteroids either in the orbit around the Sun (known) or coming from the deep space (unknown).
3) Alien attack using too advanced technology from which we can not defend.
4) Strong solar flare, or even coronal mass ejection (CME), that will disturb Earth`s magnetosphere creating powerful geostorms around the globe, turning off the entire electric power grid and communications.
5) Black hole emerging in our vicinity and swallowing the Earth.
6) Crash with another galaxy - Milky Way will one day crash with the Andromeda. Not soon but it will one distant day in the future scientists say. We need new habitable planet somewhere safe and enough space ships to transfer entire population. Good news is that we have plenty of time until that happen because Andromeda is 2.5 million light years away from us.
7) Nature responds. What if Universe behave like a living organism? If it hurts somewhere, if imbalance is created at some place, than Nature activates its counter measures to restore cosmic equilibrium. Since humans destroy eco systems, we can expect more of the high scale storms and earthquakes, erruptions of lava, stronger and stronger viruses and other microorganisms, mutations, hostile changes in the Earth`s atmosphere and environment creating new ice age, general overflood or drought and hunger.
*****added later*****
8) Reverse expansion or back-inflation of the Universe (contraction or Big Crunch).
9) New inflation and Big Bang, or similar, happening in our cosmic neighborhood causing havoc on the Universe level.
(IG2007 enlightened me on gamma rays destructive potential for living beings. I checked his claim and it is true. Gamma rays are not to be taken lightly!)
10) Strong gamma ray bursts or supermassive black hole`s powerful radiation jets - if they reach us in critical quantity and concentration. Anycase, penetrating rays of electromagnetism, of any wavelenght not just gamma, as a destructive circumstance for Earth and living organisms is certainly something to be taken seriously. We could produce mirrors with E.M. filters around the Earth. At least cover the most affected places in the atmosphere like the hole in the Earth`s ozone layer which is important for the absorbtion of the UV rays.
1) Very strong gravitational waves, from two black holes colliding in our vicinity, that can push the Earth out of its orbit around the Sun.
2) Huge asteroids either in the orbit around the Sun (known) or coming from the deep space (unknown).
3) Alien attack using too advanced technology from which we can not defend.
4) Strong solar flare, or even coronal mass ejection (CME), that will disturb Earth`s magnetosphere creating powerful geostorms around the globe, turning off the entire electric power grid and communications.
5) Black hole emerging in our vicinity and swallowing the Earth.
6) Crash with another galaxy - Milky Way will one day crash with the Andromeda. Not soon but it will one distant day in the future scientists say. We need new habitable planet somewhere safe and enough space ships to transfer entire population. Good news is that we have plenty of time until that happen because Andromeda is 2.5 million light years away from us.
7) Nature responds. What if Universe behave like a living organism? If it hurts somewhere, if imbalance is created at some place, than Nature activates its counter measures to restore cosmic equilibrium. Since humans destroy eco systems, we can expect more of the high scale storms and earthquakes, erruptions of lava, stronger and stronger viruses and other microorganisms, mutations, hostile changes in the Earth`s atmosphere and environment creating new ice age, general overflood or drought and hunger.
*****added later*****
8) Reverse expansion or back-inflation of the Universe (contraction or Big Crunch).
9) New inflation and Big Bang, or similar, happening in our cosmic neighborhood causing havoc on the Universe level.
(IG2007 enlightened me on gamma rays destructive potential for living beings. I checked his claim and it is true. Gamma rays are not to be taken lightly!)
10) Strong gamma ray bursts or supermassive black hole`s powerful radiation jets - if they reach us in critical quantity and concentration. Anycase, penetrating rays of electromagnetism, of any wavelenght not just gamma, as a destructive circumstance for Earth and living organisms is certainly something to be taken seriously. We could produce mirrors with E.M. filters around the Earth. At least cover the most affected places in the atmosphere like the hole in the Earth`s ozone layer which is important for the absorbtion of the UV rays.
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