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Avishay Gal-Yam

ULTRASAT
NASA to Launch Israel’s First Space Telescope Mission, ULTRASAT
21.02.2023
Space & Physics, Astrophysics, Planetary Science

A Weizmann Institute of Science and Israel Space Agency flagship, the instrument will enter orbit in 2025; it’s expected to revolutionize...

A Wolf-Rayet star and the nebula surrounding it captured by the Hubble Space Telescope. Gal-Yam and colleagues are the first to discover a rare-type supernova originating from this star // NASA/ESA Hubble Space Telescope
Going Out with a Bang
12.01.2022
Astrophysics, Particle Physics

A first-of-its-kind exploding star – thought to have existed only in theory – was recently discovered

One of the Giant Magellan Telescope's mirrors
Pointing the World’s Largest Mirrors Toward the Heavens
19.10.2021
Space & Physics, Astrophysics

Weizmann Institute of Science joins Giant Magellan Telescope to advance the world’s most powerful telescope

tidal disruption event
Reading a Message Carried on a Distant Tide
26.04.2021
Space & Physics, Astrophysics, Particle Physics

A high-energy neutrino that flung out from a star, ripped apart by a black hole, reveals something about the cosmic sources of these...

Prof. Avishay Gal-Yam
Prof. Avishay Gal-Yam
20.12.2018

Prof. Avishay Gal-Yam is the recipient of the Michael Bruno Memorial Award by the Israel Institute for Advanced Studies at the Hebrew University...

artist's illustration: merging neutron stars
Crashing Neutron Stars Observed for the First Time
16.10.2017
Astrophysics, Theoretical Physics

Weizmann Institute scientists help confirm and analyze the star merger

Circum-stellar shell
Explosive Material: The Making of a Supernova
14.03.2017
Space & Physics, Astrophysics

Pre-supernova stars may show signs of instability for months before the big explosion

Chandra/Harvard
Mystery of Super Flash Solved
15.12.2016
Space & Physics, Astrophysics

The brightest flash of light in the cosmos could be a rare event involving a star and a supermassive black hole

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
Seeing a Supernova in a New Light
29.06.2015
Astrophysics, Particle Physics

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

UGC 9379 galaxy imaged in the Sloan digital sky survey before the supernova explosion (left) and by the Palomar Observatory robotic telescope and by the Palomar Observatory robotic telescope afterward (right)
Blowing in the (Stellar) Wind
21.05.2014
Astrophysics, Particle Physics

Researchers analyze the elements emitted from an unusual star just before it exploded
 

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03.12.2023
Traces of Trauma in the Young Brain – and How to Erase Them
Scanning electron microscope images of the enamel layer enveloping mouse teeth
02.12.2023
Newly Discovered Autoimmune Disorder Disrupts Tooth Enamel Development
Photo: Jonathan D. Muller
21.11.2023
The Solar Forest
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Computers can solve complex problems but they are far from omnipotent. Prof. Ran Raz of the Weizmann Institute's Computer Science and Applied Mathematics Department is trying to portray the limits...