Pierre Auger Observatory

Press Reviews

Let It Rain - Symmetry - February 2005

The most energetic particles in the universe have a message for us. The gigantic Pierre Auger Southern Observatory, still under construction in Argentina, is already trying to decipher it.

By Davide Castelvecchi

Toward the end of a ten-year experiment in 1991, postdoc Hungye Dai of the University of Utah was puzzling over some really unusual data. The experiment was Fly’s Eye, which pioneered a new method of studying ultra-high-energy cosmic rays by monitoring the faint flashes of ultraviolet light produced in the sky when the particles hit the upper atmosphere. Lead scientist Pierre Sokolsky recalls when Dai showed him the anomalous numbers. Sokolsky thought they were a fluke from the detector: “You know, you always expect to see stuff like that, and it’s usually just junk,” says Sokolsky. “So I told him to go away, and to look at it some more.

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La Repubblica ("Pioggia di raggi cosmici sulla Terra dai buchi neri, cuore delle galassie" November 9, 2007)

l'Unità ("I buchi neri ci sputano addosso i raggi" November 9, 2007)

Corriere della Sera ("Spiegata l'origine dei raggi cosmici" November 9, 2007)

Il Quotidiano ("Nasce l'astronomia dei Raggi Cosmici di altissima energia. Grazie a scienziati argentini e italiani" November 8, 2007)

NRC (Netherlands) ("Hagel uit de kosmos" November 10, 2007)

De Volkskrant ("Daar komen de squashballen" November 10, 2007)

FOM - Stichting voor Fundamenteel Onderzoek der Materie ("Verband tussen kosmische deeltjes en superzware zwarte gaten" November 8, 2007)

Noorderlicht (Kosmisch tennisballenkanon gevonden...)

Diario UNO

TELAM - Sociedad - Avanza la Ciencia

Tienphong online - Vietnam

Ciência Hoje - Brazil

El Dia - Argentina

Le Figaro

Slashdot

NPR Science Friday (audio)

Science News ("Ray Tracing: Energetic cosmic rays linked to giant black holes" November 7, 2007)

LSU Daily Reveille

Scientist Live

CERN Courier

Sky and Telescope

Rocky Mountain News

Pueblo (Colorado) Chieftain

Neue Zürcher Zeitung ("Die Brutstätte der kosmischen Strahlung" November 14, 2007)

Science ("Universe's Highest-Energy Particles Traced Back to Other Galaxies" November 9, 2007)

Symmetry

EurekAlert

Science Daily

Telegraph.co.uk

New Scientist  - see also Commentary by Lawrence Krauss

Reuters

National Geographic

The Economist

BBC News

Wired

Physics World

Science Centric

State College News (Penn State)

NewsWise

Daily Herald

Live Science

Nieuwsbank

Xinhua

Clarín (8-Nov-2007)(9-Nov-2007)

Los Andes

TN (Todo Noticias) - video

Scientific American

The Age (Australia)

University of Adelaide News

La Nacion

Página/12

Los Angeles Times

New York Times

The Hindu

Space.com

Canada.com

Salt Lake Tribune

The Register (...some properly clever boffins...)

Toronto Star

Mining Gazette (Houghton, Michigan)

Cordis News (Belgium)

University of New Mexico Today

Fermilab Today

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