4.21
Erica K. Brockmeier
Science News Officer
ekbrock@upenn.edu
Astronomy
Beyond topological insulators
Beyond topological insulators
Charlie Kane and Eugene Mele’s groundbreaking theories on the existence of a new class of materials continues to inspire an upcoming generation of physics researchers.
27 million galaxy morphologies quantified and cataloged with the help of machine learning
27 million galaxy morphologies quantified and cataloged with the help of machine learning
Using data from the Dark Energy Survey, researchers from the Department of Physics & Astronomy produced the largest catalog of galaxy morphology classifications to date.
The outlook for science under the Biden-Harris administration
The outlook for science under the Biden-Harris administration
Penn Today spoke with experts in various areas of science and environmental policy about what they anticipate will shift now that President Biden has assumed the nation’s leadership.
Metamaterial tiles boost sensitivity of large telescopes
Research on a low-cost, mass producible technology is poised to help the Simons Observatory uncover new insights into how the universe began.
Dark Energy Survey makes public catalog of nearly 700 million astronomical objects
With the goal of understanding dark energy and the accelerating expansion of the universe, DES released six years of data, representing one of the largest galaxy surveys published to date.
A rare celestial treat on the winter solstice
A rare celestial treat on the winter solstice
Four tips and takeaways from astronomer Cullen Blake on the upcoming alignment of Jupiter and Saturn and how to best catch a glimpse of the “great conjunction.”
Evidence of broadside collision with a dwarf galaxy discovered in the Milky Way
Evidence of broadside collision with a dwarf galaxy discovered in the Milky Way
“Shell structures,” the result of a collision with another galaxy nearly 3 billion years, have been confirmed in the Milky Way galaxy for the first time.
Did scientists detect chemical signals from Venusian microorganisms?
Four takeaways from astronomer Cullen Blake on what this potentially groundbreaking study shows and what comes next for scientists who are keen to understand these faraway chemical signals.
New stellar stream, born outside the Milky Way, discovered with machine learning
New stellar stream, born outside the Milky Way, discovered with machine learning
Finding this new stellar stream, named after Nyx, the Greek goddess of night, was made possible using machine learning tools and simulations of data collected by the Gaia space observatory.
New view of nature’s oldest light adds fresh twist to debate over universe’s age
New view of nature’s oldest light adds fresh twist to debate over universe’s age
Observations by the Atacama Cosmology Telescope suggest that the universe is 13.77 billion years old, and reveals how fast the cosmos is expanding.
Media Contact
In the News
NBC News
Our solar system’s mysterious ‘Planet 9’ may actually be a tiny, ancient black hole
Bhuvnesh Jain of the School of Arts and Sciences commented on a new theory that Planet 9 may actually be a tiny, primordial black hole: “From a theoretical standpoint, it’s exciting even if its plausibility right now is early to judge.”
FULL STORY →
Forbes
Astronomers want to look for Planet X in Big Bang’s cosmic glow
The School of Arts and Sciences’ Eric Baxter, Bhuvnesh Jain, Cullen Blake, Gary Bernstein, and Mark Devlin co-authored a paper outlining ways to find undetected planets on the outskirts of our solar system.
FULL STORY →
Smithsonian Magazine
Astronomers discover second-closest know exoplanet
The School of Arts and Sciences’ Cullen Blake weighed in on the identification of an earth-like exoplanet called Barnard’s Star b. Blake said that while the data used to locate it may be muddied by nearby stellar activity, the exoplanet has been observed enough times to be a strong planetary candidate.
FULL STORY →