Astronomical distance units -parsecs, light years and AU
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6:29
Distances in Spaceby RGPhysics8,952 views- 2:17
What is a Parsec?by GaseousAnomaly0012,805 views
- 1:49
How is light emitted from an atom?by atommodel5,613 views
- 5:42
Power of Ten Zoom outby thepersonfromearth49,324 views
- 2:10
Light Years explainedby loveandrespect852,322 views
- 2:06
The Solar System (Scaled 1 Astronomical Unit = 1 Meter)by pillarproductions598 views
- 0:25
Light Speed Animation, from Astronomical Object to Earthby PolarissimaBorealis5,835 views
- 2:15
Universe / Galaxy structure measured out to 2 billions light years distance.by GalaxyJDW12,491 views
- 0:36
Stellar Parallaxby mrg34,096 views
- 6:37
Geometric Technique called Parallaxby NASAconnect19,039 views
- 0:57
Virgo Cluster: Located 54 million light years agoby mars20571,887 views
- 1:08
The Beauty of our Astronomical Natureby nerbyon2,901 views
- 0:38
100 Galaxy Simulationby rberring2,741 views
- 2:09
Hexagon - Larget Measurement Technologies Groupby CogniTens2,148 views
- 6:16
Distances and Sizes in Astronomy, episode 1by drdwittman837 views
- 29:39
Astronomy Simplified (#1): Basics of Time and Distanceby mooeypoo21,544 views
- 2:31
Trigonometric Parallaxby Hazzorik4,828 views
- 0:41
Astronomical Clock Pragueby wnvista9,214 views
- 1:46
Measuring In Astronomy--How Big How Far? (clip)by phoenixfilmandvideo2,153 views
- 0:32
A Light Year - How Long Is It?by breski12,685 views
Very good explanation....thanks for uploading..
zmthoufique 10 months ago
wow man thanks for the explanation :)
magodeoz187 1 year ago
I'm subscribing
cannabishead4420 3 years ago
After a certain physicist (not sure who) heard that lovely song by Katie Melua, he wrote her and suggested that 12 billion light years was not a guess, but within "fairly small error bars." She wrote an addendum to the song reflecting the changes.
I think that is awesome. :P
ispollock 3 years ago
cool
blobrana 3 years ago
interesting. 5/5
MrRAndom5 3 years ago