David Butler
29 FOLLOWERS
This is the "How Far Away Is It" video book channel.
It is a video book of Hubble and other Space and ground based Telescope pictures together with an illustrated explanation of how we know how far away these objects are - from your back yard to the most distant galaxies.
See how:
Triangulation can take us across the globe
Parallax can take us across the solar system
..
David Butler
3M ago
David Butler
3M ago