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Encounters With Giant Sharks In The Arctic

It was one of these extremely rare days of calms seas far north in the world. When visiting the...

On Water And Subsidence In Mexico City

Mexico City has the best hotel shower ever. I am not one to spend a long time in the shower, but...

Citizen Science Then And Now. Want To Play The Game?

Our cabin is situated in one of the most remote places in Norway. My family got the place in the...

World Biodiversity Day: Wetlands, Biodiversity And The Role Of Earth Observations

It is somehow ingrained in my body, I think. The appreciation of biodiversity. I know I love wetlands...

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Bente Lilja ByeRSS Feed of this column.

Earth science expert and astrophysicist writes about Earth observation, geodesy, climate change, geohazards, water cycle and other science related topics.

Today I do research and provide... Read More »

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European Earth Observation 2009

European Earth Observation 2009

Jan 18 2009 | comment(s)

2009 will be an eventful year for Earth observation at the European Space Agency.
Mountains

Keeping Track of Time

Keeping Track of Time

Jan 02 2009 | comment(s)

Keeping track of time is hard. Not only in terms of remembering meetings and be on time at the train station. Actually measuring time is a scientific art. Most of us find it logical to use the Earth rotation as a reference and define time scale and units from that.

If only the Earth would have been more cooperative!
Human Rights in Space

Human Rights in Space

Nov 16 2008 | comment(s)

The Universal Declaration of Human Rights (UDHR) celebrates its 60th anniversary this year. As part of the commemoration of this event, the space shuttle Endeavour brought a version of it up to the International Space Station 15th November 2008.




Credit: NASA/JSC
Too Cute

Too Cute

Oct 29 2008 | comment(s)


Credit: IBM
The Earth Observation Handbook - Climate Change Special Edition 2008

The Earth Observation Handbook - Climate Change Special Edition 2008

Oct 20 2008 | comment(s)

The Earth Observation Handbook explains the vital role played by Earth observation satellites in providing the information needed by governments and policymakers to make well-informed decisions for a sustainable future.


This animation of carbon dioxide (CO2) shows how our planet ‘breathes’.

The Earth Observation Handbook is produced by the Committee on Earth Observation Satellites (CEOS) and represent the space based earth observation capacity of some 30 space agencies around the world.
Distant Earth Observation

Distant Earth Observation

Oct 10 2008 | comment(s)

Venus Express looking back on Earth Credits: ESA/VIRTIS/INAF-IASF/Obs. de Paris-LESIA (Earth views: Solar System Simulator JPL-NASA)
This image composite shows the signatures of methane (CH4), carbon dioxide (CO2), ozone (O3) and nitrous oxide (N2O), minor species of the Earth’s atmosphere but powerful greenhouse gases, detected by the Visual and Infrared Thermal Imaging Spectrometer (VIRTIS) on board ESA’s Venus Express at infrared wavelengths, while the spacecraft was pointing Earth along its orbit around Venus.