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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 constellation Orion
Upcoming Events

The famous star Betelgeuse will briefly disappear tonight

Geminid meteor above India
Observing

The Sky This Week from December 8 to 15: The Geminids’ time to shine

Mercury over the Danube River
Observing

The Sky This Week from December 1 to 8: Mercury stands east of the Sun

Artist's representation of the HD110067-system from above
Exoplanets

‘Shocked and delighted’: Astronomers find six planets orbiting in resonance

A Full Beaver Moon Rising
Observing

The Sky This Week from November 24 to December 1: Celebrate November’s Full Beaver Moon

Leonid meteors in the sky during the 2020 Leonid meteor shower
Observing

The Sky This Week from November 17 to 24: Look up for the Leonids

Leonid meteors and Venus
Observing, Upcoming Events

Look up! The Leonid meteor shower peaks this weekend

Comet C/2023 H2 (Lemmon)
Observing

The Sky This Week from November 10 to 17: Catch Comet Lemmon

HST image of Jupiter near opposition
Observing

The Sky This Week from November 3 to 10: See Jupiter at its best

Astronomy contributing author Alister Ling views Comet Lemmon under a clear sky.
Observing, Upcoming Events

See Comet Lemmon at its brightest this week

During its flyby on Nov. 1 2023, Lucy discovered that its target, Dinkinesh, is not one, but two asteroids. Here, the smaller companion appears from behind the larger Dinkinesh. Credit: NASA/Goddard/SwRI/Johns Hopkins APL/NOAO
Robotic Spaceflight, Solar System

NASA’s Lucy mission discovers surprise asteroid on ‘Dinky’ flyby

X-ray composite image of pulsar PSR B1509-58 and its wind nebula MSH 15-52
Exotic Objects

The science behind NASA’s ‘ghost hand’ image

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