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Caltech's Submillimeter Observatory Has Been Removed from Maunakea
07/02/2024

Caltech's Submillimeter Observatory Has Been Removed from Maunakea

The final components of the Caltech Submillimeter Observatory (CSO) have been removed from a valley atop Maunakea in Hawai‘i, and the land at the site has been restored.
Caltech Submillimeter Observatory
Cosmic Simulation Reveals How Black Holes Grow and Evolve
07/02/2024

Cosmic Simulation Reveals How Black Holes Grow and Evolve

Kimm Fesenmaier
A new computer simulation upends ideas about feeding black holes that astronomers have held since the 1970s.
This still shows an accretion disk around a supermassive black hole.
A Big Eye on the Universe: 75 Years of the Palomar Observatory
06/21/2024

A Big Eye on the Universe: 75 Years of the Palomar Observatory

Whitney Clavin
Palomar Observatory’s Hale Telescope still delivers discoveries 75 years after its first light.
Palomar today (left); vintage image of the telescope (right)
The Awakening of a Massive Black Hole
06/18/2024

The Awakening of a Massive Black Hole

Cynthia Eller
A formerly calm, unchanging galaxy becomes very bright, signaling new activity from the massive black hole at its center.
A glowing disc of material with cloudlike material around it are lit up in the center of a dark image with a few bright starlike spots.
NASA Space Mission to Uncover Secrets of Exoplanets, Dark Energy, and More
06/17/2024

NASA Space Mission to Uncover Secrets of Exoplanets, Dark Energy, and More

Caltech's IPAC astronomy center is a partner on the mission.
Artwork depicting the Landolt spacecraft
Before the Telescope: Palomar's Indigenous Astronomers
06/13/2024

Before the Telescope: Palomar's Indigenous Astronomers

Cynthia Eller
Palomar Observatory creates a new digital exhibition to document the first astronomers at Palomar, the Indigenous peoples who observed and related to the night sky.
The night sky, showing the Pleiades, a collection of stars on the left center of the image, and the star Aldebaran on the lower right.
Reflecting on a Pivotal Physics Calculation
06/05/2024

Reflecting on a Pivotal Physics Calculation

Whitney Clavin
A Q&A with physicist David Politzer about solving the mystery of the strong force more than 50 years ago.
David Politzer
Shri Kulkarni Awarded Shaw Prize in Astronomy
05/22/2024

Shri Kulkarni Awarded Shaw Prize in Astronomy

Whitney Clavin
Shri Kulkarni, the George Ellery Hale Professor of Astronomy and Planetary Science at Caltech, has been awarded the prestigious 2024 Shaw Prize in Astronomy.
Image of Shri Kulkarni in purple shirt and grey blazer in front of fountain
High School Student Creates Soundscape of Exploding Stars
05/15/2024

High School Student Creates Soundscape of Exploding Stars

Cynthia Eller
Using data from the Zwicky Transient Facility, Southern California high school student Vanya Agrawal creates new "space music."
Map projection showing night sky with dots for supernova detections.
Caltech Remembers David Goodstein
04/30/2024

Caltech Remembers David Goodstein

Whitney Clavin
David Goodstein, the Frank J. Gilloon Distinguished Teaching and Service Professor, Emeritus, and professor of physics and applied physics, emeritus, passed away on April 10.
David Goodstein