NAU astronomers discover activity on distant planetary object; findings lead to reclassification of Centaur as comet
David Trilling
NAU scientists author papers in Nature Astronomy chronicling legacy of Spitzer Space Telescope
NASA’s Spitzer Space Telescope, designed to study the early universe in infrared light, was the first telescope to see light from a planet outside our solar system. Launched in 2003, Spitzer contained infrared detectors of unprecedented sensitivity, providing astronomers a never-before-possible look at the universe.
Spitzer made important discoveries about comets, stars, exoplanets and distant galaxies. Decommissioned earlier this year—11 years beyond its prime… Read more
Three NAU graduate students awarded NASA’s prestigious FINESST grants
Three Ph.D. students in Northern Arizona University’s Department of Astronomy and Planetary Science have been awarded grants through the Future Investigators in NASA Earth and Space Science and Technology (FINESST) program. The funding—up to $135,000 total per student for up to three years—supports graduate student-designed research projects that help further NASA’s Science Mission Directorate interests in Earth sciences, heliophysics, planetary science and astrophysics.
Anthony… Read more
NAU astrophysicist leads international team in ‘unprecedented’ discovery of unique infrared light signature on Neptune’s moon Triton
Triton orbits Neptune, the eighth planet from the Sun, some 2.7 billion miles from Earth — at the cold outer fringe of our Solar System’s major planet zone. Surface temperatures hover near absolute zero; so low that common compounds… Read more
Keeping Earth safe from impact: NAU astronomer worked with international team to conduct global planetary defense exercise
Scientists have discovered nearly all “extinction-scale” Near-Earth Objects, or NEOs (asteroids larger than 1 kilometer in diameter) and determined they pose no risk of impact in the near future. But there are still thousands of smaller NEOs that pose a potential danger.
NASA’s Planetary Defense Coordination Office (PDCO) coordinates the detection… Read more
NASA telescope’s ‘non-detection’ of first interstellar object in solar system leads NAU team to conclusions about mystery object’s size, reflectivity
Nov. 14, 2018
In November 2017, a team of scientists pointed NASA’s Spitzer Space Telescope toward a comet-like object known as ’Oumuamua—the first interstellar body ever found in our solar system—but the object proved too faint for the infrared telescope to detect.
Though initially disappointing, this non-detection of ’Oumuamua eventually provided new information about the cosmic interloper, according to a new… Read more