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Author: Alison Klesman

Alison earned her bachelor’s degree in physics and master’s degree in earth, atmospheric, and planetary science from MIT. During this time, she completed several years of research in the field of planetary science, working on research topics that ranged from comets and asteroids to the atmosphere of Pluto. She earned her Ph.D. in astronomy from the University of Florida for work surveying active galactic nuclei in massive galaxy clusters, after which she focused on outreach at Spencer's Observatory in Tucson, Arizona. Asteroid 30286 Klesman (2000 HG61) is named after her. Alison has been with the magazine since 2016.
The sky on January 1, 2026, looking southwest at 7 PM
Observing

The Sky Today on Thursday, January 1: Follow Saturn to Neptune

Observing

The Sky Today on Wednesday, December 31: A Europa transit to welcome the new year

Observing

The Sky Today on Tuesday, December 30: Catch Mercury, quick

Observing

The Sky Today on Monday, December 29: Colorful M41

Travel southeast from Capella to capture Auriga’s targets. The chart at right zooms in on the Happy Face asterism.
Observing

The Sky Today on Sunday, December 28: The stars are smiling

Observing

The Sky Today on Saturday, December 27: Io and its shadow cross Jupiter

Observing

The Sky Today on Friday, December 26: The Moon shares the sky with Saturn

Sky This Week, The Sky This Week

The Sky This Week from December 26 to January 2: Our last views of Mercury

The contributions from NASA’s Chandra X-ray data provide the blue and white flickering lights from young stars and the green pine needles come from the optical data collected by the National Science Foundation’s WIYN Observatory.
Observing

The Sky Today on Thursday, December 25: Celebrate with the Christmas Tree Cluster

Path of Ceres in December 2025
Observing

The Sky Today on Wednesday, December 24: Ceres makes us see double

Path of Comet Shaumasse from December 15-31, 2025
Observing

The Sky Today on Tuesday, December 23: Comet Schaumasse closes in on the Virgo Cluster

Observing

The Sky Today on Monday, December 22: The Ursid meteor shower peaks

Posts pagination

Newer posts 1 … 3 4 5 6 7 … 82 Older posts
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