News tagged with northern hemisphere

Northern conifers youngest of the species

Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.

dateOct 04, 2012 in Plants & Animals
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Vesta in Dawn's rear view mirror

(Phys.org)—NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its companion for the last year.

dateSep 11, 2012 in Space Exploration
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Image: Saturn's north pole

Reflected sunlight is the source of the illumination for visible wavelength images such as the one above. However, at longer infrared wavelengths, direct thermal emission from objects dominates over reflected sunlight. This ...

dateOct 31, 2017 in Space Exploration
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Global airborne mission to make ozone hole detour

Atmospheric researchers depart this month on NASA's DC-8 research aircraft on their third survey of the global atmosphere. Taking place for the first time in Northern Hemisphere fall, the season gives them the unique opportunity ...

dateOct 02, 2017 in Environment
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