Kategorie: Allgemein

STEREO Sends Back First Solar Images

NASA’s twin Solar Terrestrial Relations Observatories (STEREO) sent back their first images of the sun this week and with them a view into the sun’s mounting activity. One image shows the first coronal mass...

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Stem Cells have Help to Renew Themselves

A small molecule makes stem cells able to reproduce and change. This simply structured molecule called SC1, which researchers at the Max Planck Institute for Molecular Biomedicine in Münster, Germany, and their colleagues from...

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New Math Technique Opens Clearer Window On Universe

A fast, efficient image enhancement technique developed at the National Institute of Standards and Technology (NIST) and originally applied to improving monochrome microscope images has proved itself equally effective at the other end of...

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Teleskop erblickt Sonnentsunami

Der Prototyp eines neuen Sonnenüberwachungsteleskops in New Mexico machte die zur oben gezeigten Animation verarbeiteten Aufnahmen einer tsunamiartigen Schockwelle, die nach dem großen Flare vom Mittwoch, den 6. Dezember 2006 über die Sonnenoberfläche rollte.

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Live from Landsat: the Earth!

The USGS has created the EarthNow! Landsat Image viewer, which displays a scrolling continuous live image of the Earth as seen from Landsat 5 or 7.http://earthnow.usgs.gov/earthnow_app.html(Java required)

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Telescopes – a 400-year history

Geoff Anderson describes the history of the telescope, from the very beginning, to today’s space telescopes. He discusses the problems which occurred with the Hubble space telescope. Now there are plans for even bigger...

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Solar wind particles solve lunar mystery

Trace chemicals ejected from the Sun and collected by NASA’s Genesis mission have solved a long-standing lunar mystery that threatened to rewrite our understanding of how the Sun evolved. For the last 4 billion...

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Evolution in Echtzeit

Bakterien sind ja berühmt-berüchtigt für ihre Fähigkeit, sich an unterschiedliche Umweltbedingungen anzupassen. Wie sie dies bewerkstelligen, haben amerikanische Forscher jetzt erstmals auf Genomebene und in Echtzeit verfolgt. Dabei konnten sie beobachten, wie sich in...

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