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For this assignment:

Since this question is up for debate, I want to see 5 questions you ask about aliens in general. From those questions, you need to provide your strongest quote from a reliable source to support your answer.

Finally, I need you to write one paragraph (4-5 sentences) explaining your thoughts on aliens and how this quote helps prove your point.

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5 Questions About Aliens

1. Do aliens actually exist somewhere in space?

2. Why haven’t humans made contact with aliens yet?

3. Could aliens be living in another galaxy?

4. Are aliens smarter than humans?

5. What kind of technology might aliens use? Strongest Quote (from NASA)

“With billions of galaxies in the universe, each containing billions of stars and planets, the probability that life exists elsewhere is high.” — NASA Astrobiology Institute Paragraph (4–5 sentences)

I think aliens probably exist because space is too huge for Earth to be the only planet with life. The NASA quote supports this by saying there are billions of galaxies and planets, which makes it very likely that some of them have living creatures. Even though we haven’t seen aliens yet, that doesn’t mean they aren’t out there. This quote helps prove my point because it shows that scientists believe the universe is big enough to hold many forms of life besides us.

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1. Are there any credible sightings of aliens or UFOs?

Quote: "In 2021, the U.S. government declassified and released footage of UFOs captured by military pilots. These videos showed unidentified flying objects performing maneuvers that defied known aerodynamics." — New York Times

2. Why have we not made direct contact with extraterrestrial life?

Quote: "The Fermi Paradox is the question of why, given the vast number of potentially habitable planets in the galaxy, we have yet to find evidence of extraterrestrial civilizations." — NASA

3. What do scientists think about the possibility of intelligent life elsewhere in the universe?

Quote: "The discovery of exoplanets in the habitable zone increases the probability of finding extraterrestrial life. We are not looking for alien life in isolation, but as part of the broader context of life in the universe." — SETI Institute

4. Could aliens look drastically different from how we imagine them?

Quote: "Life on other planets could be based on entirely different biochemistry than ours. It's possible they could exist as beings made of silicon instead of carbon, or even in forms that don't require water." — NASA Astrobiology Institute

5. Have there been any scientific efforts to communicate with alien civilizations?

Quote: "SETI (Search for Extraterrestrial Intelligence) is one of the primary scientific efforts to detect signs of intelligent alien life, listening for radio signals from space that could indicate extraterrestrial technology." — SETI Institute

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5 Questions about Aliens

1. Do aliens really exist?

2. Have aliens ever been to Earth?

3. Did aliens build monuments like Stonehenge?

4. Is there any proof that aliens are real?

5. Can humans ever meet or talk to aliens?

Quote from a Reliable Source

“While there is no evidence that aliens have visited Earth, scientists believe that microbial life may exist elsewhere in our solar system or on distant exoplanets.”

— NASA, “Are We Alone in the Universe?” (2023)

Paragraph

I think aliens might exist somewhere in space, but there is no proof that they have ever come to Earth. The NASA quote supports this idea because it says scientists believe alien life could exist but have not found any real evidence. Some people think aliens built places like Stonehenge, but scientists showed that humans made them. This quote helps me believe that aliens are real somewhere, just not here on Earth.

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Five Questions About Aliens

1. Do aliens really exist somewhere in the universe?

Most scientists believe it’s likely, since there are billions of planets out there that could support life.

3. Why haven’t aliens contacted humans yet?

Maybe they don’t know we exist, or they’re too far away to reach us.

5. Could aliens be living on planets with extreme conditions?

Yeah, it’s possible — scientists have found microbes on Earth that live in boiling water and frozen ice, so alien life could survive in harsh places too.

7. Would aliens be friendly or dangerous if they met humans?

No one really knows, but some think they’d be cautious like us, not instantly violent.

9. How would alien life change our understanding of science and religion?

It’d shake everything up — we’d have to rethink what life means and our place in the universe.

Quote (from a reliable source):

“The universe is so vast that the odds of Earth being the only planet with life seem unlikely.” — NASA Astrobiology Institute

Paragraph:

I think aliens exist somewhere out there, just not close enough for us to find yet. The NASA quote supports this idea because it shows that space is too massive for Earth to be the only planet with life. Scientists have already discovered thousands of exoplanets that could possibly support life, which makes it hard to believe we’re alone. This quote proves my point since it comes from NASA, a trusted source that studies life beyond Earth and the conditions that make it possible. Their research gives real evidence instead of just guesses.

Source (MLA Citation):

NASA Astrobiology Institute. Are We Alone in the Universe? NASA, 2021, https://astrobiology.nasa.gov/.

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Recent studies and reports from NASA, the Pentagon’s All-domain Anomaly Resolution Office (AARO), and major science news outlets show that there is no confirmed evidence of alien life or alien-made UFOs. Most unidentified flying objects, now called UAPs (Unidentified Anomalous Phenomena), are later explained as weather balloons, drones, aircraft, or natural events. NASA’s 2023 UAP study also found that while some cases remain unexplained, there is no sign of extraterrestrial activity. Scientists continue to investigate these phenomena using data, radar, and advanced imaging to separate fact from illusion. Overall, experts agree that while life might exist somewhere in the universe, there is no proof that aliens have visited Earth—at least, not yet.

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5 questions about aliens:

Do aliens exist somewhere in the universe?

Have aliens ever visited Earth?

Could intelligent alien life be watching us without us knowing?

Why haven’t we found clear evidence of alien life yet?

What would happen if humans made contact with aliens?

quote and source:

"Given the vast number of planets in the universe, it seems inevitable that there must be life elsewhere." from NASA.gov

my paragraph:

I think there are aliens somewhere in space. NASA says the universe is very, very big and has lots of planets, so it makes sense that life could exist on other planets too. It’s hard to believe that Earth is the only place with living things. Even though we haven’t found aliens yet, that doesn’t mean they aren’t real. This quote from NASA helps show that scientists think it’s possible for life to be out there.

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What evidence suggests the existence of extraterrestrial life?

What are the potential dangers and benefits of contacting alien civilizations?

How would the discovery of alien life impact our understanding of the universe and our place in it?

What technologies might be used to communicate with or travel to other star systems?

If aliens exist, what might their motivations be for interacting with humanity?

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1. Are aliens real?
👉 We don’t know for sure yet.
Scientists haven’t found proof of intelligent aliens, but the universe is massive — billions of galaxies, each with billions of stars and planets. So chances are life exists somewhere, just not confirmed.

2. How to talk with aliens?
👉 No way yet 😅
NASA and SETI (Search for Extraterrestrial Intelligence) try sending and listening for radio signals from space.
But until we actually detect one, there’s no real way to “talk” to aliens.

3. How to meet aliens?
👉 Also not possible right now.
No verified contact has ever happened.
If life does exist, it’s probably light-years away, so we can’t just pull up and say “yo” 😂

4. How to be friends with aliens?
👉 Hypothetically — if they existed and were chill — treat them like you would anyone else: respect, curiosity, and kindness.
But again, that’s sci-fi for now 🚀

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1. Do extraterrestrial civilizations exist elsewhere in the universe?

Quote:

"The universe is a pretty big place. If it's just us, seems like an awful waste of space."
— Carl Sagan, Contact (1997)

Explanation:
This quote encapsulates the idea that the vastness of the universe almost necessitates other intelligent life. With billions of galaxies and trillions of stars, it's statistically unlikely that Earth is the only planet to develop life.

2. Has the U.S. government encountered alien technology or crafts?

Quote:

"There are objects in our skies that are not identified... and they are flying with impunity. This is not a matter of belief. This is a matter of evidence."
— Luis Elizondo, former head of the Pentagon’s Advanced Aerospace Threat Identification Program (AATIP)

Explanation:
Elizondo’s statement suggests credible government interest and documentation of unidentified aerial phenomena (UAPs), sparking debate about the potential extraterrestrial origin of these objects.

3. Could ancient civilizations have been influenced by extraterrestrial contact?

Quote:

"I’m not saying it was aliens… but it was aliens."
— Giorgio A. Tsoukalos, Ancient Aliens TV host

Explanation:
Though often ridiculed, this quote reflects the broader theory that ancient structures like the pyramids or Nazca lines may show signs of advanced knowledge potentially influenced by otherworldly visitors.

4. Do scientists take the search for alien life seriously today?

Quote:

"It would be an absolutely transformational moment in human history if we were to find out we're not alone."
— Jill Tarter, former director of the SETI Institute

Explanation:
Jill Tarter and SETI (Search for Extraterrestrial Intelligence) represent serious scientific efforts to detect signs of intelligent life, using radio telescopes and signal analysis to scan the cosmos.

5. Are we prepared for contact with extraterrestrials?

Quote:

"If aliens visit us, the outcome would be much as when Columbus landed in America, which didn’t turn out well for the Native Americans."
— Stephen Hawking

Explanation:
Hawking warns of potential dangers in contacting more advanced civilizations, suggesting that such encounters could be catastrophic if humans are technologically inferior.

PARAGRAOH:

Aliens have a high chance of existing, maybe some we cant even survive. Possible chances of life exist with the evidence of one of jupiters moons. A bunch of exoplanets have been found being similar to earth, and that could support my answer. Perhaps we arent alone in the universe with the fact that most likely are also more “earth-like” planets. We are not alone in the universe.

i accidently put quites

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5 Questions About Aliens

1. Do aliens really exist somewhere in the universe?

2. Why haven’t humans been able to contact them yet?

3. Could aliens be more intelligent than humans?

4. What would happen if aliens visited Earth?

5. How might aliens survive in space?

Quotes:

“Do aliens exist? This is a really interesting question and one that NASA has been trying to understand, explore, and figure out for a long time. We have not yet discovered life on any other planet, and we have not seen any scientifically supported evidence for extraterrestrial life.

But if we think about life on this planet, beyond the big things — the elephants, the whales, redwoods trees –– and focus on the tiny things, nearly everywhere on Earth that we’ve looked, we’ve found microbial life.

Our definition of habitable environments continues to expand. Off the Earth we’ve only begun to look. NASA has sent five rovers and four landers to the surface of Mars. Additionally, orbiters have been outfitted with some amazing cameras to take pictures of the whole surface of the Red Planet. But we’ve only explored a tiny fraction of Mars. And that’s only one of the promising bodies to look for life in our solar system.

There are icy moons in the outer solar system like Saturn’s moon Enceladus and Jupiter’s moon Europa that look like they may have subsurface oceans that could be habitable. And that’s just what’s in our solar system. The more exoplanets we find around other stars, the more we learn about how many different environments could exist for life.

We can’t yet say for sure whether or not aliens exist. To quote Carl Sagan: “The universe is a pretty big place. If it’s just us, it seems like an awful waste of space.” So, NASA will keep looking.

Learn more about the NASA Astrobiology Program: https://astrobiology.nasa.gov/ ”

My paragraph:

I believe aliens exist because the universe is really big so humans cant be the only form of life. Scientists have found a lot of planets that could live, which makes it very likely that other creatures are out there too. NASA’s quote supports this idea, showing that life beyond Earth is almost certain. Even though we haven’t seen one yet, I think it’s just a matter of time before we find proof.

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1. Who might have seen or met aliens before?

2. What do aliens look like?

3. When did people start believing in aliens?

4. Where could aliens live in the universe?

5. Why do some people think aliens visit Earth?

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Have aliens ever visited Earth in the past?

What would aliens look like if they existed?

Why are most alien sightings unproven or mysterious?

Can alien life survive in extreme environments like other planets?

Could alien life be microscopic instead of intelligent beings?

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1. Where did the idea of aliens came from?

"The first speculation about what we would call “aliens” goes back to the atomist speculations popular among Epicurean philosophers in ancient Greece and their Roman disciples"

-https://slate.com/human-interest/2014/08/when-did-humans-first-consider-the-possibility-of-alien-life.html

2. Are there any proofs of the existence of aliens?

No extraterrestrial life has yet been scientifically conclusively detected. Such life might range from simple forms such as prokaryotes to intelligent beings, possibly bringing forth civilizations that might be far more, or far less, advanced than humans.

3. How could aliens live in outer space?

Aliens could live in outer space within watery environments, such as subsurface oceans on icy moons or planets in their star's habitable zone, where liquid water and energy sources are available

4. Is there any alien sightings?

UFO An alleged UFO seen from a farm near McMinnville, Oregon, 1950.Also known as: UAP, UFO, flying saucer, unexplained aerial phenomenon, unidentified aerial phenomenon

5. Do aliens really exist?

We can’t yet say for sure whether or not aliens exist. To quote Carl Sagan: “The universe is a pretty big place. If it’s just us, it seems like an awful waste of space.” So, NASA will keep looking.

Strongest point (NASA)

"We can’t yet say for sure whether or not aliens exist. To quote Carl Sagan: “The universe is a pretty big place. If it’s just us, it seems like an awful waste of space.” So, NASA will keep looking."

paragragh:

Aliens are interesting creatures which humans are currently speculating it's existence, because humans are rather curious, they set out to find evidences and proofs, but did it work? No ,definitely not but either way aliens are worth it, i mean what if they exist and could help us once earth explodes? So, yeah maybe aliens do exist in my opinion ( really, im serious), plus there some planets that could have life in it, making the rate of aliens even higher, so why not? Not only that, we live in a big gigantic universe, like what Nasa said " So, NASA will keep looking." Proving that even if they live or not we should keep looking, what goods could it do?

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1. Do aliens really exist somewhere in the universe?

“Extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist.”
— NASA Science (NASA.gov)

“Given the vast number of exoplanets discovered in recent years, the probability that life has arisen elsewhere seems high.”
— Fujii et al., “Exoplanet Biosignatures: Observational Prospects,” Astrobiology Reviews (2017)(arXiv:1705.07098)

Summary:
While we have no confirmed evidence, leading astrobiologists consider life elsewhere statistically likely due to the sheer number of habitable planets.

2. What would aliens look like if we ever found them?

“Life may not necessarily be based on the same chemistry as Earth life; alternative biochemistries could include solvents other than water or non-carbon-based life forms.”
— Chandru et al., “Alternative Pathways in Astrobiology” (2024, Frontiers in Microbiology)(PMC11433091)

Summary:
Aliens could look radically different from Earth organisms—possibly based on silicon, ammonia, or other chemical systems. Our expectations should remain open.

3. How could we communicate with aliens if they don’t speak our languages?

“The search for extraterrestrial intelligence relies on universal markers—mathematical, physical, or chemical constants—rather than human language.”
— SETI Institute, “Communicating Across the Cosmos” (2023) (seti.org)

“Technosignatures such as radio emissions or atmospheric pollutants could serve as evidence of technological civilizations.”
— NASA Exoplanet Exploration Program (science.nasa.gov)

Summary:
Scientists expect to use universal signals (like math or light patterns) or “technosignatures” (traces of alien technology) to communicate, rather than spoken language.

4. Why haven’t humans discovered clear evidence of aliens yet?

“If even a very small fraction of the hundred billion stars in the galaxy are home to technological civilizations, the entire galaxy could be colonized in a few million years. The absence of such extraterrestrial civilizations visiting Earth is the Fermi Paradox.”
— Geoffrey Landis, NASA Technical Report (1994) (ntrs.nasa.gov)

“The Great Filter may imply that intelligent life is exceedingly rare or self-destructive before achieving interstellar communication.”
— Anders Sandberg et al., Oxford University, “Dissolving the Fermi Paradox” (2018)(arXiv:1806.02404)

Summary:
The best scientific explanations are that intelligent civilizations are either rare, short-lived, or intentionally silent.

5. Could aliens be living on another planet in our solar system (e.g. Mars or Europa)?

“Life might turn up in our own neighborhood: beneath the Martian surface, perhaps, or in the dark, subsurface oceans of Jupiter’s moon, Europa.”
— NASA Science (science.nasa.gov)

“The discovery of subsurface oceans in icy moons such as Europa and Enceladus has expanded the potential habitats for life within our solar system.”
— Wickramasinghe et al., “Cosmic Biology in Perspective” (2018) (arXiv:1805.10126)

Summary:
The most likely alien life nearby would be microbial, living under ice or rock where water and energy exist.

4-5 sentences paragraph:

I think aliens probably exist somewhere because space is just way too big for Earth to be the only planet with life. Scientists at NASA even said, “Extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist.” That quote makes me think that even though we haven’t found proof yet, we shouldn’t say that there are no aliens just yet. That is why I believe that maybe in another universe, there might be aliens living there.

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1. Are aliens real?

2. Do aliens visit Earth?

3. Can aliens talk to humans?

4. Have scientists ever found alien life?

5. Could aliens look different from us?

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5 questions about alien

1. Do you think intelligent alien life exists somewhere in the universe? Why or why not?

2. If aliens are real, what form do you think they might take — similar to humans, or completely different?

3. Why do you think we haven’t made clear contact with aliens yet?

4. How do you think humans would react if aliens suddenly visited Earth?

5. If you could send one message or item to represent Earth to aliens, what would it be?

What does NASA say about “Do aliens exist?”

NASA doesn’t claim we’ve found alien life yet. They say we don’t know, and are actively searching. NASA Science+2CNBC+2

NASA believes there are probably many planets in the galaxy similar to Earth in size and conditions, so it’s plausible life has arisen elsewhere. jpl.nasa.gov+2NASA+2

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5 questions about aliens:

1. Do aliens exist?

2. What do they look like?

3. How do they communicate?

4. How would discovering alien life change humanity’s understanding of itself?

5. What are the greatest philosophical and existential questions we could ask an alien civilization?

My paragraph:

I believe that the existence of alien life is possible, and exploring this idea raises scientific, philosophical, and moral questions about our place in the universe. Scientists have not yet found direct evidence of extraterrestrial life, but NASA explains that “extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist” (NASA, 2023). If aliens do exist, they might look very different from humans because life on other planets would evolve under different conditions, such as gravity, atmosphere, and temperature. They might communicate through radio signals, light, or other forms of energy instead of spoken language. Many people believe aliens exist because the universe is so vast—containing billions of galaxies and planets—that it seems unlikely Earth is the only world with life. Scientists even discovered chemical signs that “could be linked to biological activity” on the exoplanet K2-18 b, which researchers called “the strongest evidence so far for life beyond our solar system” (Reuters, 2025). If we ever meet another intelligent civilization, it would challenge humanity to rethink who we are, why we exist, and how life fits into the universe as a whole.