Region

 

Astronomy Picture of the Day: Methane Bubbles Frozen in Lake Baikal

What are these bubbles frozen into Lake Baikal? Methane. Lake Baikal, a UNESCO World Heritage Site in Russia, is the world's largest (by volume), oldest, and deepest lake, containing over 20% of the world's fresh water.

Astronomy Picture of the Day: M43: Orion Falls

Is there a waterfall in Orion? No, but some of the dust in M43 appears similar to a waterfall on Earth.

Astronomy Picture of the Day: Across Corona Australis

Cosmic dust clouds are draped across a rich field of stars in this broad telescopic panorama near the northern boundary of Corona Australis, the Southern Crown.

Astronomy Picture of the Day: IC 1871: Inside the Soul Nebula

This cosmic close-up looks deep inside the Soul Nebula.

Astronomy Picture of the Day: InSight's First Image from Mars

Welcome to Mars, NASA Insight. Yesterday NASA's robotic spacecraft InSight made a dramatic landing on Mars after a six-month trek across the inner Solar System.

Astronomy Picture of the Day: Swirls and Colors on Jupiter from Juno

What creates the colors in Jupiter's clouds? No one is sure. The thick atmosphere of Jupiter is mostly hydrogen and helium, elements which are colorless at the low temperatures of the Jovian cloud tops.

Astronomy Picture of the Day: The Tarantula Nebula

The Tarantula Nebula, also known as 30 Doradus, is more than a thousand light-years in diameter, a giant star forming region within nearby satellite galaxy the Large Magellanic Cloud.

Astronomy Picture of the Day: The Cave Nebula in Hydrogen, Oxygen, and Sulfur

What's inside this cosmic cave? A stellar nursery 10 light-years deep.

Astronomy Picture of the Day: NGC 6188: The Dragons of Ara

Dark shapes with bright edges winging their way through dusty NGC 6188 are tens of light-years long.

Astronomy Picture of the Day: Cygnus Shell Supernova Remnant W63

The ghost of a long-dead star, the W63 supernova remnant shines like a faint cosmic smoke-ring along the plane of the Milky Way galaxy toward the northern constellation Cygnus the swan.

Top