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| VY Canis Majoris - the largest known star |
| This video compared the size of VY Canis Majoris with other known stars and planets. You would have to walk for around 650000 years to circle this star, walking with the speed of 5 km/h for 8 hours a day (it would take you only 2 years 11 months to circle the Earth). |
 Category: Knowledge  From: Siemen  Added: 22:02 30/01/2010  Rate: 10.00 / 1 votes  Views: 24609  Comments: 0  Tags: star sirius pollux arcturus rigel sun aldebaran antares vy canis majoris
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| Chemistry can be fun |
| Having problems with remembering which elements interact with each other? Well, this video might help you a bit.. |
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Category: Knowledge From: Siemen Added: 15:22 12/01/2010 Rate: 0.00 / 0 votes Views: 928 Comments: 0 Tags: chemistry reaction potassium sodium water
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| The most expensive house in the world |
| That's the most expensive house in the whole world. It belongs to the deceased producer of Charlie's angels, The Love Boat, Hutch and Dynasty – Aaron Spelling. It consists of 123 rooms, 4 bars, 3 kitchens, 2 swimming pools and many more.. |
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Category: Knowledge From: Siemen Added: 15:13 12/01/2010 Rate: 0.00 / 0 votes Views: 924 Comments: 0 Tags: house willa aaron spelling
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| Leukocytes – white blood cell |
| White blood cells are the basic element of the human immune system. They protect our bodies from bacteria and viruses. In this video, you can see how they attack and destroy bacteria. Imagine this is happening in your body as we speak.. |
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Category: Knowledge From: Siemen Added: 14:47 12/01/2010 Rate: 0.00 / 0 votes Views: 959 Comments: 0 Tags: Leukocytes white blood cell
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| Lifetime of a star |
| 12 billion years of a star lifetime shown in just 6 minutes. This video shows the evolution of a star from a red giant to a white dwarf. |
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Category: Knowledge From: Siemen Added: 18:49 05/01/2010 Rate: 0.00 / 0 votes Views: 762 Comments: 0 Tags: star life bang white dwarf red giant
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