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trond hansen
  • Røyken, Norway
  • Member for 5 years, 3 months
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About

i am 55 years old(young)my interests is very broad,sience-astronomy-biology-geology-marine biology.i simply want to know how every thing works,i have a cat named trine i have allways had a cat.

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18 What does a mm of rain mean? Jul 11 '18
10 Why do cities at high altitude regions have high atmospheric pressures? Jun 5 '17
9 Why did a branch against a window prevent condensation? Jul 16 '20
9 To what extent do the levels of UVA, UVB and UVC radiations on the earth surface increase during solar flares? Jan 30 '20
7 Where do aurorae australis begin and in which direction do they move? Jan 26 '20
7 Do you have any informations about fossil-rich cherts from Scandinavia? Feb 6 '17
6 Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica Feb 2 '19
5 Can an aurora australis be bright enough to illuminate someone's face? Jan 13 '20
5 What is the most important source of natural gas? Coal, oil or other? May 26 '19
4 What happens when the North and South poles flip? Jun 1 '19
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