APOD: 2026 May 30 Б Supermoon Versus Micromoon
30.05.2026

What is so micro about tonight's blue micromoon? Just after sunset, a full moon will appear slightly smaller and dimmer than usual. The reason is that the Moon's fully illuminated phase occurs within a short time of apogee - when the Moon is farthest from the Earth in its elliptical orbit.

APOD: 2005 December 28- Smooth Sections on Asteroid Itokawa
28.12.2005

What are parts of this asteroid's surface so smooth? No one is yet sure, but it may have to do with the dynamics of an asteroid that is a loose pile of rubble rather than a solid rock.

APOD: 2024 November 18 Б Stars and Dust in the Pacman Nebula
18.11.2024

Stars can create huge and intricate dust sculptures from the dense and dark molecular clouds from which they are born. The tools the stars use to carve their detailed works are high energy light and fast stellar winds.

APOD: 2024 November 27 Б The Meteor and the Comet
27.11.2024

How different are these two streaks? The streak on the upper right is Comet Tsuchinshan-Atlas showing an impressive dust tail. The comet is a large and dirty iceberg that entered the inner Solar System and is shedding gas and dust as it is warmed by the Sun's light.

APOD: 2024 December 4 Б Driveway Analemma
4.12.2024

Does the Sun return to the same spot on the sky every day?б No.б A more visual answer is an analemma, a composite of sky images taken at the same time and from the same place over a year.

APOD: 2025 August 16 Б A Cool GIF of a 2025 Perseid
16.08.2025

The camera battery died about 2am local time on August 12, while shooting in the bright moonlit skies from a garden in Chastre, Brabant Wallon, Belgium, planet Earth. But not before it captured...

APOD: 2025 September 5 Б 47 Tucanae: Globular Star Cluster
5.09.2025

Also known as NGC 104, 47 Tucanae is a jewel of the southern sky. Not a star but a dense cluster of stars, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters.

APOD: 2026 January 20 Б Io in True Color
20.01.2026

The strangest moon in the Solar System is bright yellow. The featured picture, an attempt to show how Io would appear in the "true colors" perceptible to the average human eye, was taken in 1999 July by the Galileo spacecraft that orbited Jupiter from 1995 to 2003.

APOD: 2015 July 7 The Milky Way from a Malibu Sea Cave
7.07.2015

Whats happening outside this cave? Nothing unexpected its just the central band of our Milky Way Galaxy passing by. As the Earth turns, the band of our Galaxy appears to rotate and shift along the horizon.

APOD: 2023 November 13 Б Andromeda over the Alps
13.11.2023

Have you ever seen the Andromeda galaxy? Although M31 appears as a faint and fuzzy blob to the unaided eye, the light you see will be over two million years old, making it likely the oldest light you ever will see directly.