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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.
Venus as a morning star
Observing

The Sky Today on Saturday, May 31: Venus at greatest western elongation

Full Moon in July 2016.
Observing, The Moon

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

The eastern sky around 4 A.M. on May 30, 2025
Observing

The Sky Today on Friday, May 30: Saturn and Neptune rise together

Venus near dichotomy
Sky This Week, The Sky This Week

The Sky This Week from May 30 to June 6: All eyes on Venus

star chart showing Upgren 1
Observing

The Sky Today on Thursday, May 29: Pull out binoculars for Upgren 1

Jupiter and moons an hour after sunset in the Midwest on May 28, 2025
Observing

The Sky Today on Wednesday, May 28: Glimpse Jupiter and its Galilean moons

the spindle galaxy
Observing

The Sky Today on Tuesday, May 27: The Spindle Galaxy, bright and beautiful

M8 The Lagoon Nebula
Observing

The Sky Today on Monday, May 26: Dip your toes in the Lagoon

The Sickle of Leo and Mars on May 25, 2025
Observing

The Sky Today on Sunday, May 25: Mars joins the Sickle of Leo

The Moon and Venus on May 24, 2025
Observing

The Sky Today on Saturday, May 24: Revisit the Moon and Venus

The sky on May 23, 2025, 1 hour before sunrise, looking east
Observing

The Sky Today on Friday, May 23: The crescent Moon and Venus

the constellation Leo
Sky This Week, The Sky This Week

The Sky This Week from May 23 to 30: Mars moves into Leo

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