11/15
Astronomy
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.
Additional challenges in bringing research online
Additional challenges in bringing research online
As research on campus slowly restarts, those whose work requires field surveys, large-scale collaborations, or travel face additional challenges in bringing their research back online.
New minor planets beyond Neptune
New minor planets beyond Neptune
This updated catalog of trans-Neptunian objects and the methods used to find them could aid in future searches for undiscovered planets in the far reaches of the solar system.
New astronomical instrument on the hunt for exoplanets
New astronomical instrument on the hunt for exoplanets
A state-of-the-art instrument called NEID, from the Tohono O’odham word meaning “to see,” collected its “first light” and is poised to look for new planets outside the solar system.
A new way to measure cosmic black holes
A new way to measure cosmic black holes
Researchers find a link between the masses of supermassive black holes and the distances between the galaxies which surround them, allowing astronomers to more easily study many astronomical phenomena.
By the Numbers: Dark matter
By the Numbers: Dark matter
Key facts and figures about the unseen matter that remains one of cosmology’s greatest unsolved mysteries.
In search of signals from the early universe
In search of signals from the early universe
Penn astronomers are part of an international collaboration to construct the Simons Observatory, a new telescope that will search the skies in a quest to learn more about the formation of the universe.
Remembering the past while looking forward
Remembering the past while looking forward
As the nation celebrates the Apollo 11 mission, a look at Penn’s connection to the historic event and how the Moon impacts science, politics, and culture.
A two-minute totality, an opportunity of a lifetime
A two-minute totality, an opportunity of a lifetime
Graduate student David Sliski observed the July 2 eclipse at the Cerro Tololo Inter-American Observatory in Chile as a member of a scientific team tasked with imaging the sun’s corona.
Stories of Penn scientists: David Rittenhouse
Stories of Penn scientists: David Rittenhouse
In celebration of the 250th anniversary of his observations of the 1769 transit of Venus, a glimpse into the story of the man whose name became synonymous with astronomy and mathematics.
In the News
The Wall Street Journal
Russia aims to restore prestige in race to moon’s south pole
Benjamin L. Schmitt of the School of Arts & Sciences and the Weitzman School of Design says that sentiment in the scientific and astronaut communities has begun to shift toward a future in which NASA and Roscosmos are no longer close partners.
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Scientific American
Audio astronomy unlocks a universe of sound
College of Arts and Sciences fourth-year Sarah Kane discusses her use of data analysis and machine learning to circumvent her blindness in studying astronomy.
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The Guardian
UK joins international effort to uncover first moments of the universe
In a statement for the Simons Observatory, Mark Devlin of the School of Arts & Sciences says that new telescopes and researchers from the UK will make a significant addition to their efforts to examine the origins of the universe.
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Space
The ‘megacomet’ Bernardinelli-Bernstein is the find of a decade. Here’s the discovery explained
Pedro Bernardinelli and Gary Bernstein of the School of Arts & Sciences comment on being an unlikely pair to have discovered the largest icy-bodied comet which is named in their honor.
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USA Today
Fact check: 62-mile-wide mega comet unlikely to hit Earth, will just pass by it in 2031
Pedro Bernardinelli and Gary Bernstein of the School of Arts & Sciences spoke about the giant comet they recently discovered. “There is no possibility of this thing getting any closer to Earth than Saturn gets,” said Bernstein.
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USA Today
The largest comet ever discovered in modern times is zooming toward the sun
Gary Bernstein of the School of Arts & Sciences spoke about the giant comet he and Ph.D. candidate Pedro Bernardinelli discovered. "We have the privilege of having discovered perhaps the largest comet ever seen—or at least larger than any well-studied one—and caught it early enough for people to watch it evolve as it approaches and warms up," Bernstein said.
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