Video 04 out of 08 - Khan Academy - Astronomy - Scale of the galaxy

These video series go from the "Size of the known and observed universe" - with the best of the technology we had from the 80's - the Hubble space Telescope.

The intial set is about the size of the observed or known universe.

The second set is the series on the issues of rocket engines, rockets and rocket development and production.

The third set is an of array of information about and from the Hubble Telescope - the technology and the images.

And the fourth set is about the ADVANCES in space telescopes beyond the Hubble Teescope - being the James Webb Sace Telescope.

And the fifth video is about the Euclid Space Telescope


The James Webb Space Telescope and the Euclid Space Telescope are two different research tools - with very different purposes and technologies...

All though the Hubble was up and operational in the early 1980's - there was a prodigious amount of planning, design and then the building of it and then the optical correction of it, after launching...

The James Webb and the Euclid Space Telescopes have also had prodigious lead times in their planning, design, construction and development - but they had a big foundation to build upon - better questions to ask and better understandings and technology to do the further research with, and futher and deeper issues to research....

It's a bit like, "How deep is a very deep hole?" - that can only be solved by figuring out the acceleration rate of gravity and the speed of sound, and then dropping a rock down the hole... and timing the release time and the sound of the rock hitting bottom... Maths.. or using a very slong strong piece of string - but the materials and the weaving technologies have to be developed - so the string is both long enough and strong enough to each the bottom....

And the ladder to reach the bottom - you need the steel, the manufacturing technology and the ways to drill holes in the rocks and to bolt them to the rock, to attach the ladder to the rock, on the way down - and the technical development to do all of this and to construct it....

There is staggering amounts of smarts, research, development and insights, and everything has a foundation of everything before it.


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These are really worth watching.

They are a bit out of date in some aspects... but they are completely relevant....

Very simple - but it gets the ideas in your head - that just cannot be dealt with....

There is too much.

Video 01 out of 08 - Khan Academy - Astronomy - Scale of earth and sun
https://www.mgtow.tv/v/h5GzFi

Video 02 out of 08 - Khan Academy - Astronomy - Scale of solar system
https://www.mgtow.tv/v/FiSpMg

Video 03 out of 08 - Khan Academy - Astronomy - Scale of distance to closest stars
https://www.mgtow.tv/v/uZS4lu

Video 04 out of 08 - Khan Academy - Astronomy - Scale of the galaxy
https://www.mgtow.tv/v/ZJrlKC

Video 05 out of 08 - Khan Academy - Astronomy - Intergalactic scale
https://www.mgtow.tv/v/27Pl4c

Video 06 out of 08 - Khan Academy - Astronomy - Hubble image of galaxies
https://www.mgtow.tv/v/Tx92j4

Video 07 out of 08 - Khan Academy - Astronomy - Big bang introduction
https://www.mgtow.tv/v/XymcLY

Video 08 out of 08 - Khan Academy - Astronomy - Radius of observable universe
https://www.mgtow.tv/v/iUkLXQ


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EQUINOX - The Engines That Came In From The Cold [FASCINATING DOCUMENTARY] (360p version)
https://www.mgtow.tv/v/rJOxGM

This Rocket Is 60 Years Old
https://www.mgtow.tv/v/lYLGbr

I Asked An Actual Apollo Engineer to Explain the Saturn 5 Rocket (Long Cut) - Smarter Every Day 2
https://www.mgtow.tv/v/ChPU6G


HOW ROCKETS ARE MADE (Rocket Factory Tour - United Launch Alliance) - Smarter Every Day 231
https://www.mgtow.tv/v/DKErNw


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NASA’s Incredible Discovery Machine: The Story of the Hubble Space Telescope
https://www.mgtow.tv/v/9pRyxo

A documentary on the incredible discoveries made by the Hubble space telescope
https://www.mgtow.tv/v/zgbsO2

Hubble’s 30th Anniversary Image
https://www.mgtow.tv/v/VRFVWJ

The Extraordinary Things Hubble Has Seen | 100 Incredible Images Of The Universe Montage (4K UHD)
https://www.mgtow.tv/v/tSGmbt


Just happened! NASA just officially announced to boost Hubble's orbit with SpaceX's Dragon
https://www.mgtow.tv/v/RTBC5I


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Webb in Full Focus - Mirrors are Aligned!
https://www.mgtow.tv/v/5lE45f

Incredible Discoveries From Recent James Webb Space Telescope Images Of the Milky Way
https://www.mgtow.tv/v/boriwz

What James Webb Saw Near the Edge of the Universe | James Webb Part 1
https://www.mgtow.tv/v/eWJcJr


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The NEW Euclid Space Telescope - Resolution 500 m at 10 billion light years.
https://www.mgtow.tv/v/LWMfnB

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