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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
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
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
New Geochemistry Technique Yields Clues about Earth's Earliest Days
11/21/2019

New Geochemistry Technique Yields Clues about Earth's Earliest Days

Robert Perkins
Fran├žois Tissot has developed a way to measure the isotopic ratio of the element uranium inside a single crystal of zircon.
Zircon
Caltech and the City of Pasadena Team Up to Build Seismic Sensing Network
11/19/2019

Caltech and the City of Pasadena Team Up to Build Seismic Sensing Network

Robert Perkins
Caltech seismologists will use City of Pasadena fiber optic cables to track temblors locally with unparalleled resolution.
Fiber optics
Super Spirals Spin Super Fast
10/17/2019

Super Spirals Spin Super Fast

"Super spiral" galaxies spin at a rate of up to 350 miles per second.
A super spiral galaxy captured by the Hubble Space Telescope.
KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves
10/04/2019

KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves

Whitney Clavin
KAGRA, LIGO, and Virgo will team up to detect gravitational waves.
Photos of KAGRA, LIGO, and Virgo.
Newly Discovered Giant Planet Slingshots Around Its Star
08/27/2019

Newly Discovered Giant Planet Slingshots Around Its Star

Elise Cutts
Three times the mass of Jupiter, a first-of-its-kind planet swings around its star on a bizarre path.
Exoplanet orbit
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