Best Space exploration & spaceflight Videos
The 164 Space exploration & spaceflight videos here were recommended by different people across different months. Choose by who it is for: 5 introductory, 29 intermediate, 127 for a general viewer, and 3 for someone who wants the harder derivation. Most of them are an explainer. What they share is that one picture or analogy is used to supply a missing concept. Channels you will keep seeing include SpaceX, Scott Manley, Everyday Astronaut.

Light Years Ahead | The 1969 Apollo Guidance Computer
Robert Wills of TNMoC explains the Apollo Guidance Computer hardware and software, then walks through the Apollo 11 landing procedure step by step, including the 1202 alarms.

The Solar Gravitational Lens will Map Exoplanets. Seriously.
Explains the proposed NASA JPL plan to use the Sun as a gravitational lens, sending solar sail craft to its focal region to image an exoplanet's surface.

34C3 - The Ultimate Apollo Guidance Computer Talk
Michael Steil and Christian Hessmann's 34C3 talk explaining the Apollo Guidance Computer end to end: hardware design, operating system, and mission software.

Falcon Heavy Test Flight
SpaceX's livestream of the Falcon Heavy test flight, including the launch, side booster landings and Tesla Roadster payload.

I Was SCARED To Say This To NASA... (But I said it anyway) - Smarter Every Day 293
Destin Sandlin of Smarter Every Day gives a talk to an aerospace audience, comparing how Apollo was engineered and managed with NASA's Artemis program.

Starbase Tour with Elon Musk [PART 1 // Summer 2021]
Tim Dodd of Everyday Astronaut tours SpaceX's Starbase with Elon Musk as guide.

Carl Sagan - Pale Blue Dot
Carl Sagan's narration of the Pale Blue Dot passage, reflecting on the Voyager photograph of Earth as a tiny speck in space.

Apollo Guidance Computer Part 1: Restoring the computer that put man on the Moon
The first episode of CuriousMarc's series restoring a real Apollo Guidance Computer, led by AGC expert Mike Stewart.

Dr. Robert Zubrin with a brilliant answer to "Why Should We Go To Mars?"
A short clip of Dr.

The REAL Possibility of Mapping Alien Planets!
PBS Space Time explains the proposal to use the Sun's gravity as a giant lens, sending a train of small light-sail spacecraft to the focal point roughly 550 AU out.

How Much Do Rockets Pollute? Are They Bad For Our Air?
Everyday Astronaut's Tim Dodd runs an hour-long, data-driven analysis of what rockets actually emit and how that compares with airliners and other industries.

Orbital Rings
Isaac Arthur explains the orbital ring, a megastructure launch-assist system that could move bulk cargo cheaply to orbit and beyond.

How Far Are The Nearest Stars?
Cody's Lab builds a 200-billionth-scale model to show how far away the nearest stars are, using parallax and light speed.

HOW ROCKETS ARE MADE (Rocket Factory Tour - United Launch Alliance) - Smarter Every Day 231
Destin Sandlin tours United Launch Alliance's rocket factory with CEO Tory Bruno, showing friction stir welding, structural rocket skins and large milled parts.

GPUs to Mars: Full-Scale Simulation of SpaceX's Mars Rocket Engine
SpaceX engineers present at NVIDIA's GPU Technology Conference on a multi-physics code that simulates the full-scale Raptor methane engine.

7 Minutes of Terror: The Challenges of Getting to Mars
NASA JPL engineers explain the final minutes of the Curiosity rover's entry, descent and landing on Mars, which combined aerobraking, a parachute and a skycrane.

Is SpaceX's Raptor engine the king of rocket engines?
Everyday Astronaut explains the basic physics of rocket engines, the main engine cycles and fuel types, then compares SpaceX's methane-fueled full-flow staged combustion Raptor to other engines.

Turning Earth Into a Telescope | The Terrascope
David Kipping presents his proposed Terrascope, a telescope that uses Earth's atmosphere as a lens to achieve enormous magnification.

How to Move the Sun: Stellar Engines
Kurzgesagt explains stellar engines such as the Shkadov thruster and Caplan thruster, which could move the Sun and solar system across the galaxy over millions of years to avoid hazards and reach new regions.

End of Space – Creating a Prison for Humanity
Kurzgesagt explains how accumulating space junk could trigger a collision cascade (Kessler syndrome) that makes launches too dangerous and traps humanity on Earth.

Mars Helicopter (before it went to Mars)
Veritasium's Derek Muller visits NASA JPL to see the Mars helicopter Ingenuity before it was mounted on the rover.

Mike Mullane - Normalisation of deviance - IAFF - Part 1
Astronaut Mike Mullane explains normalisation of deviance, where teams gradually come to accept violations of their own safety standards.

Colonizing Mars
Isaac Arthur's in-depth look at what it would take to settle and eventually terraform Mars.

How To Terraform Venus (Quickly)
Kurzgesagt lays out a speculative plan to terraform Venus, covering its hostile atmosphere and how it might be made Earth-like, with a sources page linked.