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Physics and astronomy

A dark sky with a bright orange image of a solar eclipse
Astronomy
Hopkins experts discuss the total solar eclipse
Published April 5, 2024 Video
Panelists encouraged viewers to witness the rare event on April 8 firsthand if possible, and shared the science behind what makes a total solar eclipse so special
An illustration of how a supermassive blackhole would make stars in the first 50 million years of the universe. The foreground shows stars in the making, gas clouds getting crushed by the black hole’s powerful magnetism. The background shows fully formed stars. A spiral of dust and gas revolving like a storm around the black hole also is shown. Also, the black hole shoots out plasma and energy upwards from the center of this storm.
Astrophysics
Which came first: black holes or galaxies?
Published Feb 6, 2024
Black holes not only existed at the dawn of time, they birthed new stars and supercharged galaxy formation, a new analysis of James Webb Space Telescope data suggests
Image showing the gravitational lensing effects caused by no object in an observer’s line of sight, a black hole, and the topological soliton
Astrophysics
Could copycat black hole be a new type of star?
Published April 20, 2023
Though the mysterious object is a hypothetical mathematical construction, new simulations by Hopkins researchers suggest there could be other celestial bodies in space hiding from even the best telescopes on Earth
A colorful simulation of black holes colliding
Astrophysics
Simulations show aftermath of black hole collision
Published Feb 22, 2023 Video
The work, led by Johns Hopkins researchers, shows how a remnant black hole sends gravitational waves like ripples in a pond
A Hubble image of the quasar and the same area viewed with the James Webb Space Telescope. The Webb image shows multiple galaxies coalescing, with each color representing a different velocity: Red is moving away from us. Blue is moving toward us.
Astronomy
Webb reveals unprecedented glimpse of merging galaxies
Published Oct 20, 2022
The findings by Johns Hopkins University and an international team offer an unprecedented opportunity to observe how billions of years ago galaxies coalesced into the modern universe
Illustration of a magnetic field
Quantum physics
Magnets in flux
Published Aug 18, 2022
Researchers at the Institute for Quantum Matter prove that mechanically manipulating a certain type of metal can change its magnetic properties, ushering in new applications for the rare and underutilized field of piezomagnetism
Higgs boson sample collision
Particle physics
Reflecting on a revolutionary discovery
Published July 5, 2022
July 4 marked the 10th anniversary of the discovery of the Higgs boson, a key piece in understanding particle physics
Artist's rendering of a hot Jupiter exoplanet circling its star
Astronomy
New clues suggest how hot Jupiters form
Published June 10, 2022
Johns Hopkins astronomers discover new way of determining the relative age of exoplanets and prove there are multiple ways these planets form
Jeremy D. Brown, left, and Danielle Speller
Faculty honors
Jeremy D. Brown, Danielle Speller named Sloan Research Fellows
Published Feb 15, 2022
Jeremy D. Brown and Danielle Speller received Sloan Research Fellowships, which honor exceptional early-career science researchers
A black and white photo of two men
In memoriam
Astronomer Paul Feldman, a pioneer of comet science, dies at 82
Published Jan 31, 2022
He led the development of the field of comet UV spectroscopy and is remembered for his leadership, wit, and wisdom