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Category: existential risks – Page 31

The Fermi Paradox: Fallen Empires

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The cosmos seem silent and empty of any great interstellar empires, but perhaps they once existed, and if so, what titanic ruins might they have left behind?

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Credits:
The Fermi Paradox: Fallen Empires.
Episode 412a, September 17, 2023
Produced, Written & Narrated by:
Isaac Arthur.

Editors:
Jerry Guern.
Konstantin Sokerin.
David McFarlane.

Graphics by:
Darth Biomech.
Fishy Tree.
Jeremy Jozwik.
Ken York YD Visual.
LegionTech Studios.
Udo Schroeter.

Music Courtesy of:

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Historic OSIRIS-REx asteroid samples successfully return to Earth

In the morning hours of Sept. 24, a small capsule containing surface samples from asteroid 101,955 Bennu careened into Earth’s atmosphere after a seven-year journey through space. The landing of this sample capsule is the culmination of NASA’s historic Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) asteroid sample return mission, which is now the first American mission to return samples from an asteroid.

The sample return capsule (SRC) landed within a 14 by 58-kilometer ellipse at a Department of Defense property at the Utah Test and Training Range and Dugway Proving Ground in Utah. Touchdown of the SRC occurred at 8:52 AM MDT (14:52 UTC) — three minutes earlier than planned. Low winds and dry weather was present at Dugway during the landing — optimal conditions for the return and recovery of the SRC.

OSIRIS-REx launched atop a United Launch Alliance Atlas V rocket on Sept. 8, 2016. Since then, OSIRIS-REx has flown past Earth, rendezvoused with asteroid 101,955 Bennu, orbited the asteroid and extensively imaged/mapped its surface, collected a sample from Bennu, made the journey back to Earth, and now returned its sample. As the SRC was streaking through Earth’s atmosphere, OSIRIS-REx performed a flyby of Earth and began a new mission called OSIRIS-APEX, wherein OSIRIS-REx will fly out and study asteroid 99,942 Apophis. The spacecraft is scheduled to arrive at the asteroid in 2029 if all goes according to plan.

Preventing Human Extinction

Table of Contents:

0) — Intro : 0:00 — 1:49
1) — Ionopocalypse : 1:49 — 7:32
2) — Petrocalypse : 7:32 — 17:03
3) — Ecocalypse : 17:03 — 25:43
4) — Nuclear Apocalypse : 25:43 — 31:06
5) — Biopocalypse : 31:06 — 35:39
6) — Nanopocalypse : 35:40 — 40:15
6) — Infopocalypse : 40:15 — 52:57
7) — Geopocalypse : 52:58 — 58:59
8) — Astropocalypse : 58:59 — 1:04:14
9) — Xenopocalypse1:04:14 — 1:13:10

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NASA spacecraft delivering biggest sample yet from an asteroid

Planet Earth is about to receive a special delivery—the biggest sample yet from an asteroid.

A NASA spacecraft will fly by Earth on Sunday and drop off what is expected to be at least a cupful of rubble it grabbed from the asteroid Bennu, closing out a seven-year quest.

The sample capsule will parachute into the Utah desert as its mothership, the Osiris-Rex spacecraft, zooms off for an encounter with another asteroid.

The Fermi Paradox & Panspermia

Our current theory of evolution holds that all life on Earth originated from a single, simple life form billions of years ago. But what if that life did not originate on Earth? In this episode we’ll explore the theory of Panspermia, that origin of life might be extraterrestrial in origin, and that the abiogenesis of that origin life form we descend from might have descended from the sky in a comet or some other alien source. We will explore the impact this concept would have on the Fermi Paradox if true.
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Listen or Download the audio of this episode from Soundcloud: Episode’s Audio-only version:
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Episode’s Narration-only version: https://soundcloud.com/isaac-arthur-148927746/panspermia-narration-only.

Credits:
The Fermi Paradox & Panspermia.
Episode 171, Season 5 E05

Written by:
Isaac Arthur.

Editors:

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Armageddon-style mission to stop asteroid Bennu collision with Earth ends this week

NASA is edging closer to the conclusion of its ambitious seven-year mission, aiming to prevent a catastrophic collision of a massive asteroid named Bennu with Earth. Recent findings have indicated that there’s a 1 in 2,700 chance of Bennu slamming into Earth on September 24, 2182.

Roughly the size of the iconic Empire State Building, Bennu spans about a third of a mile wide. The potential aftermath of its predicted collision with Earth could equate to the explosive energy of 22 atomic bombs.

The asteroid makes its presence felt by passing Earth approximately every six years. However, scientists anticipate that its most perilous close encounter could be a mere 159 years away.

If you worry about humanity, you should be more scared of humans than of AI

Advances in artificial intelligence have prompted extensive public concern about its capacity to contribute to the spread of misinformation, bias, and cybersecurity breaches—and its potential existential threat to humanity. But, if anything, AI can aid human beings in making decisions aimed at improving social equality, safety, productivity—and mitigate some existential threats.

4 Reasons Why Becoming a Type 2 Civilization Is a Bad Idea

The year one hundred two thousand twenty-three. A giant meteorite the size of Pluto is approaching the Solar System. It flies straight to Earth. But as the meteorite crosses Saturn’s orbit, a swarm of miner probes approaches it. The scan revealed no minerals on the object, so the searches returned with nothing.

Meanwhile, the Space Security Center in Alaska military personnel are setting up a laser. The Solar System witnesses a sudden flare and nothing remains of the dwarf-sized meteorite. Now, unless hydrogen miners on Jupiter post videos of another annihilation on social media… This is what the world will look like when humanity finally becomes a Type Two civilization on the Kardashev scale. We’ll have almost infinite energy reserves, the ability to prepare for interstellar flights, or to instantly destroy any threat. But will humanity really be safe? And what can ruin a Type Two civilization?

Did Elon Musk prevent a Russia-Ukraine nuclear war?

New details of Musk’s involvement in the Ukraine-Russia war revealed in his biography.

Elon Musk holds many titles. He is the CEO of Tesla SpaceX and owns the social media company X, which was recently rebranded from Twitter. Going by an excerpt of his biography, published in the Washington Post.

According to the excerpt from Walter Isaacson’s book, Musk disabled his company Starlink’s satellite communication networks, which were being used by the Ukrainian military to attack the Russian naval fleet in Sevastopol, Crimea, sneakily. The Ukrainian army was using Starlink as a guide to target Russian ships and attack them with six small… More.

Musk’s biographer alleges he prevented nuclear war between Ukraine and Russia by turning off Starlink satellite network near Crimea, but Musk says, ‘SpaceX did not deactivate anything’.

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