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Observing, The Moon, Upcoming Events

The Moon meets Saturn: This Week in Astronomy with Dave Eicher

Last Quarter Moon

The Sky This Week from May 24 to 31: Look for the Last Quarter Moon

An Apollo 15 image of Lambert Crater with Mons Undset to its west (right, where we've added a circle) casting a pyramidal shadow. Mons Undset was named for novelist Sigrid Undset. Credit: NASA

The mystery of a pyramid-like mountain on the Moon missing its name

Observing, The Moon, Upcoming Events

The Moon slides by Antares: This Week in Astronomy with Dave Eicher

The Sky This Week from May 17 to 24: The Moon visits Antares

The International Space Station is seen in this 30 second exposure as it flies over Virginia in 2015. Credit: NASA/Bill Ingalls.

How and when to see the ISS, without a telescope

Deep-Sky Objects, Galaxies, Observing

Fall into the Whirlpool Galaxy: This Week in Astronomy with Dave Eicher

A comet in the sky

The Sky This Week from May 10 to 17: Catch some comets

Deep-Sky Objects, Galaxies, Observing

How Markarian 205 nearly broke the universe: This Week in Astronomy with Dave Eicher

Halley's Comet

Observing, Upcoming Events

How to see meteors from 3,000 years ago this week

a meteor streaks overhead near the Milky Way

The Sky This Week from May 3 to 10: The Eta Aquariids’ time to shine

Observing, Planets, Upcoming Events

Planets on parade: This Week in Astronomy with Dave Eicher