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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 June 22, 2025, 1 hour before sunrise, looking east
Observing

The Sky Today on Sunday, June 22: The Moon stands north of Venus

Observing

The Sky Today on Saturday, June 21: The Queen’s colorful double star

Science

‘First light’ images from Vera C. Rubin Observatory coming Monday: Here’s how to watch

Full Moon in July 2016.
Observing, The Moon

2025 Full Moon calendar: When to see the Full Moon and phases

Observing

The Sky Today on Friday, June 20: The summer solstice and noctilucent clouds

Sky This Week, The Sky This Week

The Sky This Week from June 20 to 27: The summer solstice

The sky at 2 AM on June 19, 2025, looking east
Observing

The Sky Today on Thursday, June 19: Saturn and Neptune share the morning with the Moon

Path of Vesta in June 2025
Observing

The Sky Today on Wednesday, June 18: Vesta sits stationary

Observing

The Sky Today on Tuesday, June 17: View a nearby globular cluster

The sky on June 16, 2025, at 9:30 P.M., looking west
Observing

The Sky Today on Monday, June 16: Mars and Regulus shine together

Observing

The Sky Today on Sunday, June 15: View the Whirlpool and its companion

Path of Comet 29P/Schwassmann-Wachmann in June 2025
Observing

The Sky Today on Saturday, June 14: Comet Schwassmann-Wachmann 1 sits at Leo’s feet

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