trond hansen's user avatar
trond hansen's user avatar
trond hansen's user avatar
trond hansen
  • Member for 7 years, 9 months
  • Last seen this week
  • Røyken, Norway
22 votes

What does a mm of rain mean?

11 votes
Accepted

Why do cities at high altitude regions have high atmospheric pressures?

9 votes

To what extent do the levels of UVA, UVB and UVC radiations on the earth surface increase during solar flares?

9 votes
Accepted

Why did a branch against a window prevent condensation?

7 votes

Where do aurorae australis begin and in which direction do they move?

7 votes

Do you have any informations about fossil-rich cherts from Scandinavia?

6 votes
Accepted

Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica

6 votes
Accepted

What happens when the North and South poles flip?

5 votes
Accepted

Can an aurora australis be bright enough to illuminate someone's face?

5 votes

What is the most important source of natural gas? Coal, oil or other?

4 votes
Accepted

How does nitrogen cycle work?

3 votes
Accepted

Is the Arctic already ice-free during summer?

3 votes

What's the difference between a crater and a vent?

3 votes

Did climate cool down when underground hydrocarbons stocks formed?

3 votes
Accepted

Continuous lightning for over an hour; is this phenomenon common and does it have a name?

3 votes

Considering the thin piece of material on the surface of Mars in the image below, is there anything like it on Earth?

3 votes

Which months in Japan probability lowest of natural disaster?

3 votes

Are Ice Ages Affected by the Freezing Out of CO2 in Antarctica?

3 votes
Accepted

When and where is the atmospheric greenhouse effect strongest?

2 votes

Why doesn't sea level show seasonality?

2 votes
Accepted

How big of an event is needed to trigger a long winter?

2 votes

What does it mean when polar nights have twilight?

2 votes

Have the oceans dissolved water vapour?

2 votes
Accepted

Extent of desert area influence in local climate

2 votes

Is there major potential for vertical farming?

2 votes

How can I find weather data for greenland sea during the 4 seasons?

2 votes

What mechanism leads to these spectacular iridescent patterns in clouds labeled as a "Fire Rainbow"?

2 votes
Accepted

Deep sea pumps that work on wind power, can they control the weather?

2 votes

Can I just walk around Greenland with a UV light and find rare Earth minerals on the ground?

1 vote

What oxidised the soil on Mars?