Distance Scales in the Universe I

[SsDd]

The lecture video is embedded below.

Additionally, slides used in the lecture are embedded below, or can also be downloaded directly from here.

Questions after the lecture? Please feel free to post them in the same thread.

Click to play embedded YouTube video.

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Wikipedia Links:-
Orders of magnitude (Length) 
Orders of magnitude (Time) 
Orders of magnitude (Mass) 
Orders of magnitude (Charge) 
Orders of magnitude (Speed) 
Orders of magnitude (Temperature) 

[makc]

I think this thread is relevant.

[SsDd]

I think this thread is relevant.

I think RJN has more of that coming up in the next lecture, which will be online on Wednesday.

[noiro]

Standing 299792458 m from a flashlight, both inside of a spaceship going close to the speed of light, how long does it take for you to see the light if you are in the front of the spaceship and the flashlight is in the back? (light going 299792458 m/s)