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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 »

Saturn rocks! Or rather not, actually. The planet is made of gas for the most part, but it does have a belt of dust infested ice around it. It is this belt that makes Saturn the 'template' planet. If we want to draw a planet, it is much like a simplified Saturn. Strictly speaking it could also be the other gas planets but their rings are faint in comparison. Saturn is the archetype of a planet.
No, it is NOT a star! Several orders of magnitudes far from being a star actually. I am talking about quasars (quasi-stellar radio source) - often being described as distant stars. Oh, astronomers pain.

All men and women to the atlases!
I experienced the highest density of colleagues with background from astrophysics when I worked at the Norwegian Mapping Authority. Mapping seems like an earthly matter, per definition, but it never was and never will be. First of all our planet Earth is exactly that - a planet! So I say as an astrophysicist I do not discriminate against any of the planets, including planet Earth! Right now I focus almost entirely on this particular planet.
Our Earth observation capacity is growing. Not only are star satellite data providers such as NASA and ESA improving their high quality products, new economies such as China and Brazil invest parts of their new won wealth in remote sensing as well.
This is not a rainforest!

A story wherein I reveal resistant and deliberate ignorance.