Night Sky Network

Night Sky Network

Dim Delights in Cancer

Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: the Beehive Cluster. Cancer also possesses one of the most studied exoplanets: the superhot super-Earth, 55 Cancri e. Find Cancer’s dim stars by looking in between the brighter neighboring constellations of Gemini and […]
Posted March 17, 2026
Night Sky Network

Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

In 2019, Betelgeuse dimmed in brightness, sparking speculation that it may soon explode as a supernova. While it likely won’t explode quite yet, we can preview its fate by observing the nearby Crab Nebula.
Posted December 19, 2025
Night Sky Network

October’s Night Sky Notes: Let’s Go, LIGO!

by Kat Troche of the Astronomical Society of the Pacific September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert Einstein’s 1916 theory of General Relativity. These invisible ripples in space were first directly detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO).
Posted October 1, 2025
Astrobiology
Courses & Curriculums for Professionals
Night Sky Network
Science Activation
Solar System Ambassadors

From City Lights to Moonlight: NASA Training Shows How Urban Parks Can Connect Communities with Space Science

When you think about national park and public land astronomy programs, you might picture remote locations far from city lights.
Posted September 26, 2025
Night Sky Network

Weird Ways to Observe the Moon

International Observe the Moon Night is on October 4, 2025, this year– but you can observe the Moon whenever it’s up, day or night! While binoculars and telescopes certainly reveal incredible details of our neighbor’s surface, bringing out dark seas, bright craters, and numerous odd fissures and cracks, these tools are not the only way to […]
Posted September 15, 2025
Night Sky Network
The Sun

Explore Our Dynamic Sun!

from NASA’s Heliophysics Education Activation Team (NASA HEAT) and the Astronomical Society of the Pacific/Night Sky Network Have you ever wondered about what the Sun is made of? Or why do you get sunburned on even cloudy days? NASA’s new Explore the Sun toolkit brings the wonders of solar science to you, offering answers to […]
Posted June 17, 2025
Night Sky Network

June’s Night Sky Notes: Seasons of the Solar System

by Kat Troche of the Astronomical Society of the Pacific Here on Earth, we undergo a changing of seasons every three months. But what about the rest of the Solar System? What does a sunny day on Mars look like? How long would a winter on Neptune be? Let’s take a tour of some other […]
Posted May 30, 2025
Night Sky Network

May’s Night Sky Notes: How Do We Find Exoplanets?

Astronomers have been trying to discover evidence that worlds exist around stars other than our Sun since the 19th century. By the mid-1990s, technology finally caught up with the desire for discovery and led to the first discovery of a planet orbiting another sun-like star, Pegasi 51b. Why did it take so long to discover these […]
Posted May 1, 2025
Night Sky Network

Embracing the Equinox

Depending on your locale, equinoxes can be seen as harbingers of longer nights and gloomy weather, or promising beacons of nicer temperatures and more sunlight. Observing and predicting equinoxes is one of the earliest skills in humanity’s astronomical toolkit.
Posted March 14, 2025
Night Sky Network

March’s Night Sky Notes: Messier Madness

by Kat Troche of the Astronomical Society of the Pacific What Are Messier Objects? During the 18th century, astronomer and comet hunter Charles Messier wanted to distinguish the ‘faint fuzzies’ he observed from any potential new comets. As a result, Messier cataloged 110 objects in the night sky, ranging from star clusters to galaxies to nebulae.
Posted March 4, 2025
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