Terrain differences example, what the client sees vs. what the host sees:
https://imgur.com/a/hPVpa77 Terrain traversal by client, when terrain has been removed but client was not updated correctly, resulting in client player dying (clutching throat animation) and requiring respawn. Videos from both host and client perspective:
Host: https://streamable.com/j43qf
Client: https://streamable.com/9zpzu

Terrain traversal by host player, recorded by client player, where terrain had been cleared by host, but client player's game was never properly updated:
https://streamable.com/888mk

Terrain traversal by client player, recorded by client player, where terrain had been cleared by host, resulting in spontaneous client player death:
https://streamable.com/1vxxx

Host: Astroneer v1.0.6.0, Windows 10 x64, Steam, v10.0.16299 Build 16299, HW: AMD FX-8350, 32GB DDR3, AMD Radeon R9 200 Series GPU 
Client: Astroneer v1.0.6.0, Windows 10 x64, Steam, v10.0.17763 Build 17763, HW: AMD Ryzen7 1700X, 16GB DDR4, AMD Radeon RX 580 GPU 

See attached for savegame. savegame.zip