Stjernerne over Ikast
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Sol ned: 19:16
Sol op: 07:09
GørDetSelv Solplet Kigger
55% oplyst - First Quarter Moon
Månen op: 13:07 (01/01/1970)
Nymåne : 19/02/2015 00:48
Fuldmåne: 04/02/2015 00:10
Everyone has noticed that in winter it seems colder when the wind is blowing. Mothers recognize this and tell their children to wear more clothes. The question the children ask is how much more clothes. Mothers answer very precisely because Mothers know everything. For the rest of us, wind chill calculations are the basis for determining the effect of wind on body heat loss. The wind chill equivalent temperature (Ce) equation is: Ce = 33 - (10.45 + 10(sqrt(V) - V)(33 - C)/ 22.04 where C is the air temperature in Celsius and V is the wind speed in meters per second.
|Dårlig||Bedre||Bedst||Himlen (inklusiv vind)|
Satellit sporing & dagslys lige nu
Notes about viewing ESVs:
When using lookangles, choose passes with high magnitudes; less than 6.0. ("Looks" are local time.)
Best viewing is when ESV is in Earth's penumbra; on the map, it's the solid line during night.
Dotted line on map denotes ESV is dark, in Earth's umbra (shadow).
Objects in orbit have to maintain a speed of at least 17,500mph, therefore ESVs traverse the sky noticeably different than aircraft.
ESVs appearing to blink are either tumbling rocket bodies, or spinning payloads with deployed solar arrays.
High-Eccentricity objects have a more ellongated orbit. Ground trace looks like a backwards C.
Regression-Ground traces will move West with each orbit due to Earth's rotation.
Ideer & scripts :