Daniel Holz

Daniel Holz

Departmental website:
https://astrophysics.uchicago.edu/people/profile/daniel-e.-holz/

Daniel Holz's research focuses on gravitational waves—ripples in the fabric of space-time created by powerful events like black hole collisions—with a particular focus on what we can learn about physics, astronomy, and cosmology from our detections.

Holz is a member of the Laser Interferometer Gravitational-Wave Observatory (LIGO), which made the first detection of gravitational waves. Holz is also a leader in measuring the Hubble constant - the rate at which the universe is expanding—via gravitational wave "standard sirens" (a name he coined in 2006). Holz was among the authors who published the first standard siren measurement, in the wake of the 2017 gravitational-wave detection of a neutron star collision.

Holz Stories

Simulations foresee hordes of colliding black holes in observatory’s future

Simulations foresee hordes of colliding black holes in observatory’s future

Gravitational Waves 101: How to Hear the Universe

Gravitational Waves 101: How to Hear the Universe

Asst. Prof. Daniel Holz discusses detection of gravitational waves


Gravitational waves detected from second pair of colliding black holes Image of the merger of two black holes and the gravitational waves that ripple outward as the black holes spiral toward each other

Gravitational waves detected from second pair of colliding black holes

The black-hole collision that reshaped physics

The black-hole collision that reshaped physics

Assoc. Prof. Daniel Holz describes ‘transcendent moment’ of gravitational waves discovery


Nature

Detection of Gravitational Waves Stuns, Excites Scientific Community

Detection of Gravitational Waves Stuns, Excites Scientific Community

Assoc. Prof. Daniel Holz discusses discovery of gravitational waves


Chicago scientists part of team that confirmed Einstein's theory

Chicago scientists part of team that confirmed Einstein's theory

Assoc. Prof. Daniel Holz describes the research efforts behind the ‘mind-blowing’ discovery of gravitational waves


Gravitational waves detected 100 years after Einstein’s prediction simulation of black holes colliding

Gravitational waves detected 100 years after Einstein’s prediction

Black holes, explained Artists conception of a black hole surrounded by a bright ring and stars

Black holes, explained

Black holes fascinate both the public and scientists—they push the limits of our understanding about matter, space and time.

The Hubble constant, explained The Hubble Constant, explained

The Hubble constant, explained

One of the most important numbers in cosmology, the Hubble constant tells us how fast the universe is expanding, which in turn tells us the age of the universe and its history.

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