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NASA Retires Spitzer Space Telescope, Infrared Explorer
01/30/2020

NASA Retires Spitzer Space Telescope, Infrared Explorer

Whitney Clavin
Mission engineers have ceased all operations for the Spitzer Space Telescope's historic mission.
Giant star Zeta Ophiuchi
Roc Cutri Wins 2020 American Astronomical Society Prize
01/22/2020

Roc Cutri Wins 2020 American Astronomical Society Prize

Whitney Clavin
Roc Cutri, the deputy director of Caltech's IPAC astronomy center has been awarded the 2020 George Van Biesbroeck Prize.
Roc Cutri
Watson Lecture, Thomas Soifer, January 29: The Legacy of the Spitzer Space Telescope
01/22/2020

Watson Lecture, Thomas Soifer, January 29: The Legacy of the Spitzer Space Telescope

Sharon Kaplan
The Legacy of the Spitzer Space Telescope
Spitzer Space Telescope
First Asteroid Found Inside Orbit of Venus
01/15/2020

First Asteroid Found Inside Orbit of Venus

Whitney Clavin
ZTF has discovered an asteroid that circles the sun every 151 days.
Photo of the 48-inch Samuel Oschin Telescope
From the Break Through Campaign: Mathematician in Motion
01/13/2020

From the Break Through Campaign: Mathematician in Motion

For as long as he can remember, David Ignacio Fager has adored mathematics. Then came freshman year of college, and Caltech’s social science core introduced him to a new love: economics. Happily, he was able to marry his two passions.
David Fager
Measuring the Minute Wobbles of Stars
01/08/2020

Measuring the Minute Wobbles of Stars

Whitney Clavin
A new instrument aims to detect tiny stellar motions caused by the tug of Earth-mass planets
A portion of NEID, called the port adaptor, is seen here on the WIYN telescope.
LIGO-Virgo Network Catches Another Neutron Star Collision
01/06/2020

LIGO-Virgo Network Catches Another Neutron Star Collision

Whitney Clavin
A pair of neutron stars has been found with an unusually high mass
Artwork of the neutron star merger
Flying Observatory Maps Our Galaxy
01/05/2020

Flying Observatory Maps Our Galaxy

Whitney Clavin
Matt Hankins took several rides on the SOFIA airborne observatory with the goal of unveiling the brightest regions of our galaxy's center.
Infrared image of galactic center
"Tweezer Clock" May Help Tell Time More Precisely
12/23/2019

"Tweezer Clock" May Help Tell Time More Precisely

Whitney Clavin
A new optical atomic clock makes ultra-precise time measurements
Adam Shaw, Ivaylo Madjarov and Manuel Endres in the lab.
Decade of Discovery
12/19/2019

Decade of Discovery

As December winds down, we mark not just the end of another year of discovery at Caltech but the conclusion of a decade of remarkable accomplishments and research breakthroughs.
collage image for decade in review story
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