Carina in Perspective
5.05.2020

You need to be in the south, looking south, to see such a sky. And only then if you're lucky. Just above the picturesque tree is the impressive Carina Nebula, one of the few nebulas in the sky that is visible to the unaided eye.

APOD: 2020 August 18 Б TYC 8998 760 1: Multiple Planets around a Sun Like Star
18.08.2020

Do other stars have planets like our Sun? Previous evidence shows that they do, coming mostly from slight shifts in the star's light created by the orbiting planets. Recently, however, and for the first time, a pair of planets has been directly imaged around a Sun-like star.

APOD: 2026 February 9 Б Miranda Revisited
9.02.2026

What is Miranda really like? Visually, old images from NASA's Voyager 2 have been recently combined and remastered to result in the featured image of Uranus's 500-kilometer-wide moon. In the late 1980s...

APOD: 2026 June 18 Б Possible Supernova Remnant in Galactic Center
18.06.2026

Do you see that blue blob to the lower right of the image center? Astronomers think that it shows where a massive star exploded as a supernova whose light reached Earth 1,700 years ago.

Ship Tracks over the Pacific Ocean
8.06.2022

What are those unusual streaks? Some images of planet Earth show clear bright streaks that follow the paths of ships. Known as ship tracks, these low and narrow bands are caused by the ship's engine exhaust.

Interplanetary Earth
23.11.2024

In an interplanetary first, on July 19, 2013 Earth was photographed on the same day from two other worlds of the Solar System, innermost planet Mercury and ringed gas giant Saturn. Pictured...

An Apollo 17 Panorama
28.01.2002

What would it be like to stand on the surface of another world, to look all around you, and to try to figure out how this world got there? To get an idea, scroll right. In 1972 during the Apollo 17 mission, astronauts Harrison Schmitt and Eugene Cernan found out first hand.

Starburst Ring in Galaxy NGC 1317
11.12.1996

Where do stars form? A typical place is an area of dense nebular gas common to arms in spiral galaxies. Sometimes, however, a burst of star formation can occur with unusual geometry. Nearby galaxy NGC 1317 shows such an unusual ring of star formation surrounding its barred nucleus.

Noctilucent Clouds
15.06.2003

Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground. Therefore, at sunset on the ground, sunlight still shines on clouds above.

An Active Region of the Sun
16.06.1998

The Sun is a busy place. This false-color image depicts an active region near an edge of the Sun. Hot plasma is seen exploding off the Sun's photosphere and traveling along loops defined by the Sun's magnetic field.