The bulk of matter is invisible, as it (almost) does not emit any radiation. We know them as dark matter. How can we explore and measure them? This is one objective of the ATLAS@CERN experiment to gain clarity and this should be brought closer to the students in this mission.
Atlas@Cern Portal: http://www.learningwithatlas-portal.eu/
Atlas@Cern Österreich: http://www.virtuelleschule.at/atlas
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Atlas@Cern, Exploring the invisible
1. Exploring the Invisible Dark Matter and ATLAS@CERN Author: Dr. Christian Reimers ▲ Estimated distribution of matter and energy in the universe (Credit: NASA) ▲ ATLAS Detector (Credit: CERN)
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Editor's Notes
Kurzbeschreibung: Der Großteil der Materie ist unsichtbar, da sie (fast) keine Strahlung emittiert. Wir kennen sie als Dunkle Materie. Wie können wir sie erforschen und messen? Dies ist ein Ziel des ATLAS@CERN Experiments hier Klarheit zu erlangen und soll in dieser Mission für Studenten nähergebracht werden.
NASA/ESA/HST: The blue streaks near the center of the image are the smeared images of very distant galaxies that are not part of the cluster. The distant galaxies appear distorted because their light is being bent and magnified by the powerful gravity of Cl 0024+17, an effect called gravitational lensing.
NASA/ESA/HST: The blue streaks near the center of the image are the smeared images of very distant galaxies that are not part of the cluster. The distant galaxies appear distorted because their light is being bent and magnified by the powerful gravity of Cl 0024+17, an effect called gravitational lensing.
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