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Particle Physics and Astrophysics

Koushik Saha

The findings may help explain the chemistry of biological molecules in outer space

artist's illustration: merging neutron stars

Weizmann Institute scientists help confirm and analyze the star merger

Dr. Daniel Lellouch

Dr. Lellouch gets people involved in science through astronomy and physics

Xenon experiment

Weizmann scientists participate in search for elusive particles

Dr. Boaz Katz

Could many supernovae be the result of high-speed, head-on collisions?

Supernova 3C58, first observed in the year 1181 AD by Chinese and Japanese astronomers, imaged by the Chandra telescope in X-ray emissions. NASA/CXC/SAO

Ultraviolet observations may shed new light on exploding stars...

A small black hole gains mass: Dense cold gas (green) flows toward the center of a stellar cluster (red cross in blue circle) with stars (yellow); the erratic path of the black hole through the gas (black line) is randomized by the surrounding stars

A new model shows how early black holes could have grown to over a billion solar masses

Prof. Eli Waxman

What is the number of the positrons in the galaxy?

 (l-r) Profs. Zeev Vager and Dirk Schwalm and Dr. Oded Heber

A method developed at the Institute is rejuvenated; a molecular quiz is solved

Detectors for high-energy cosmic neutrinos are buried under the Antarctic ice

High energy neutrinos from the Universe’s far reaches carry clues to their mysterious sources