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UrduIn advance of the rare total solar eclipse coming on Monday, April 8, Northern Arizona University astronomer and “eclipse chaser” Cristina Thomas is available for comment. Thomas can share insights on: How solar eclipses work When and where this eclipse…
Tag: Dart
Hubble Captures Movie of DART Asteroid Impact Debris
A time-lapse movie from the Hubble Space Telescope captures the impact of asteroid Dimorphos when it was deliberately hit by NASA’s DART spacecraft on Sept. 26, 2022. The movie shows three overlapping stages of the impact aftermath: the formation of an ejecta cone; the spiral swirl of debris caught up along the asteroid’s orbit about its companion asteroid; and the tail swept behind the asteroid by the pressure of sunlight. Later on, Hubble records the tail splitting in two.
DART section lead available to discuss upcoming asteroid impact experiment
On Sept. 26, the international community will watch as NASA’s latest spacecraft collides with an asteroid in an attempt to knock it off its orbit. Cristina Thomas, an assistant professor of astronomy and planetary sciences at Northern Arizona University and lead of…
Experts say the discovery of Earthbound asteroids and comets needs improvement; too many satellites could prevent discovery
A new survey of planetary defense experts from Apollo Academic Surveys and Olin College of Engineering reports that discovery of asteroids and comets needs improvement. In addition, the proliferation of commercial satellites could prevent them from identifying Earthbound asteroids and comets.
The Gut Microbiome, CRISPR/Cas-9, and More Featured in August 2020 Toxicological Sciences
The August 2020 issue of Toxicological Sciences includes exciting advances in toxicology research. The edition features pieces on biotransformation, toxicokinetics, and pharmacokinetics; developmental and reproductive toxicology; and more.