One writer is correct in that regarding God's creation "each will reproduce after its kind", however it was IMPOSSIBLE for angels in heaven to have sex. That's why a number of good angels disobeyed God and came to earth and TOOK ON HUMAN FORM to have sex with human women. Same kind...both human.
God had not commissioned them to carry out any assignment on earth (they DISOBEYED God). Instead, they “forsook their own proper dwelling place” in the spirit realm. (Jude 6) Their motives were selfish. They took wives, who gave birth to hybrid offspring called Nephilim. The Nephilim and their rebellious fathers filled the earth with violence and other great badness. (Genesis 6:1-5) God dealt with the situation by bringing the global Deluge of Noah’s day. Floodwaters destroyed wicked men and women and the Nephilim dematerialized.
The Flood forced them back into the spirit realm. God, however, prevented them from resuming “their original position.” (Jude 6) The Bible states: “God did not hold back from punishing the angels that sinned, but, by throwing them into Tartarus, delivered them to pits of dense darkness to be reserved for judgment.”—2 Peter 2:4.
Tartarus is NOT a particular location; it is a prisonlike, abased condition that LIMITS the activity of these outcasts. Now called demons, they can no longer materialize, but they still have great power and influence over minds and lives. They can possess humans and animals. When I stated that there are no Nephilim on the earth today, I should have mentioned that they are not here in the hybrid human form still producing more deformed offspring, nor are any of their offspring here. They are still around here among us though as demons forbidden to materialize.
The angels who disobey God are called "demons". Even the great archangel Lucifer became Satan the devil. Satan and his demons do not need the "modern technology of remote control from a far off place" to influence us or to possess things. They are right here on the earth among us.
One writer says,
"ANGELS are NOT demons. Fallen angels are STILL angels and do not morph or transform into demons."
There is no scripture to support that angels become anything, other than earth-bound if they sin."
So...where did the demons come from? Are you saying that our awesome loving God created demons as demons?
Look up "demon" in the dictionary. Online Wikipedia states, "Many of the demons in literature were once fallen angels." "Some denominations asserting Christian faith also include, exclusively or otherwise, fallen angels as de facto demons; this definition also covers the "sons of God" described in Genesis who abandoned their posts in heaven to mate with human women on Earth before the Deluge."
God flooded the entire earth to wipe the Nephilim out. Are you saying that God missed some?
As far as your thoughts on Area 51, Wikipedia says "The intense secrecy surrounding the base, the very existence of which the U.S. government barely acknowledges, has made it the frequent subject of conspiracy theories and a central component to unidentified flying object (UFO) folklore.
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I choose to believe what the bible says about the Nephilim, rather than what the government "which is lying in the power of the wicked one" (1 John 5:19) says about deformed Nephilim offspring still being here on earth.