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Dying Star Emits a Whisper
10/11/2018

Dying Star Emits a Whisper

Lorinda Dajose
The unexpectedly gentle death of a massive star suggests that it was being robbed by a dense companion lurking out of sight.
Three panels illustrating the life of a supernova
Palomar's Samuel Oschin Telescope Turns 70
09/24/2018

Palomar's Samuel Oschin Telescope Turns 70

Whitney Clavin
Historic telescope's discoveries include everything from thousands of galaxy clusters to a Pluto-sized object in our solar system.
George Abell at 48-inch telescope
Spacecraft to Speed Through Sun's Atmosphere
08/07/2018

Spacecraft to Speed Through Sun's Atmosphere

Whitney Clavin
Caltech and partners built an instrument that will capture high-speed solar particles hurtling toward Earth.
Jamie Rankin
Celebrating Caltech's Founder George Ellery Hale
06/29/2018

Celebrating Caltech's Founder George Ellery Hale

Whitney Clavin
George Ellery Hale, born 150 years ago on June 29, helped transform not just Caltech but all of astronomy.
George Ellery Hale
Caltech Instrument Achieves "First Light"
01/05/2018

Caltech Instrument Achieves "First Light"

A new Caltech-built instrument at Keck Observatory has captured its first spectral image.
NIRES "first-light" image
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