"If you wish to make an apple pie truly from scratch, you must first invent the universe."

— Carl Sagan

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 22 hours 16 min ago

July 4, 1997: Sojourner Arrives on the Red Planet

Wed, 07/01/2020 - 3:30pm
Hitching a ride on the Mars Pathfinder mission, the Sojourner rover arrived on Mars on July 4, 1997.
Categories: Astronomy, NASA

A Day's Work: Robert Behnken Updates Power Systems on the Station

Wed, 07/01/2020 - 9:02am
On June 26, 2020, NASA astronauts Bob Behnken and Chris Cassidy conducted the first of two spacewalks to swap batteries and upgrade power systems on the International Space Station.
Categories: Astronomy, NASA

Deep Space 1 Spacecraft at 2.3 Million Miles from Earth

Tue, 06/30/2020 - 8:53am
June 30 is Asteroid Day.
Categories: Astronomy, NASA

An Astronaut's View of Work

Mon, 06/29/2020 - 9:16am
Spacewalkers Bob Behnken (left) and Chris Cassidy (right) in the Quest Airlock on June 26, 2020, before beginning a spacewalk to replace batteries on one of two power channels on the International Space Station.
Categories: Astronomy, NASA

Hubble Captures Galaxy on Edge

Fri, 06/26/2020 - 8:13am
We don’t see the beautiful spiral arms of galaxy NGC 5907 in this Hubble image because we are viewing it edge-on, like looking at the rim of a plate. It is for this reason that NGC 5907 is also known as the Knife Edge galaxy.
Categories: Astronomy, NASA

The Space Station's Solar Transit

Thu, 06/25/2020 - 4:42am
This composite image, made from six frames, shows the International Space Station, with a crew of five onboard, in silhouette as it transits the Sun.
Categories: Astronomy, NASA

A Solar Eclipse Shadows Asia

Wed, 06/24/2020 - 8:58am
On June 21, 2020, as the International Space Station orbited over Kazakhstan and into China, an external high-definition camera captures this picture of the solar eclipse shadowing a portion of the Asian continent.
Categories: Astronomy, NASA

NGC 7027: Like a Metallic Jewel Bug in the Sky

Tue, 06/23/2020 - 2:42am
In this image NGC 7027 resembles a jewel bug, an insect with a brilliantly colorful metallic shell.
Categories: Astronomy, NASA

Astronauts Chris Cassidy and Bob Behnken Work on U.S. Spacesuits

Mon, 06/22/2020 - 9:41am
NASA astronauts (from top) Chris Cassidy and Bob Behnken work on U.S. spacesuits.
Categories: Astronomy, NASA

Black Hole Bounty Captured in the Center of the Milky Way

Fri, 06/19/2020 - 11:29am
Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data from NASA's Chandra X-ray Observatory.
Categories: Astronomy, NASA

Preparing for Future Missions at the Armstrong Flight Research Center

Wed, 06/17/2020 - 3:06pm
Pilots Troy Asher and Wayne Ringelberg walk out of NASA’s Armstrong Flight Research Center’s (AFRC) hangar in Palmdale, California, toward the flight line.
Categories: Astronomy, NASA

Viewing the Red Planet

Wed, 06/17/2020 - 9:05am
This artist's concept shows an astronaut on Mars, as viewed through the window of a spacecraft.
Categories: Astronomy, NASA

Hubble Makes a Bright Find

Tue, 06/16/2020 - 9:16am
Seen here in incredible detail is the starburst galaxy formally known as PLCK G045.1+61.1. The galaxy, which appears as multiple reddish dots near the center of the image, is being gravitationally lensed by a cluster of closer galaxies, also seen in the image.
Categories: Astronomy, NASA

Bringing Einstein's Concepts to Life Through Art

Mon, 06/15/2020 - 9:35am
Launched on April 20, 2004, Gravity Probe B (GP-B) was a collaboration between Stanford University and NASA designed to test two previously untested aspects of Albert Einstein’s general theory of relativity.
Categories: Astronomy, NASA

Hubble Glimpses a Galaxy Among Many

Fri, 06/12/2020 - 8:17am
Looking deep into the universe, the Hubble Space Telescope catches a passing glimpse of the numerous arm-like structures that sweep around this barred spiral galaxy, known as NGC 2608. Appearing as a slightly stretched, smaller version of our Milky Way, the peppered blue and red spiral arms are anchored together by the prominent horizontal
Categories: Astronomy, NASA

Grand Finale: One of Cassini's Last Dives

Thu, 06/11/2020 - 9:52am
This illustration imagines the view from NASA's Cassini spacecraft during one of its final dives between Saturn and its innermost rings.
Categories: Astronomy, NASA

The Space In-between: Aurora Australis

Wed, 06/10/2020 - 9:05am
Like a wisp of green smoke, the aurora australis seemingly intersects with the Earth's airglow as the International Space Station orbited above the Indian Ocean halfway between Australia and Antarctica.
Categories: Astronomy, NASA

Japan's HTV-9 Cargo Craft Helps Supply the Space Station

Tue, 06/09/2020 - 9:20am
Japan's resupply ship, the H-II Transfer Vehicle-9 (HTV-9), is pictured attached to the International Space Station's Harmony module.
Categories: Astronomy, NASA

The Red Planet's Holden Crater

Mon, 06/08/2020 - 9:26am
Exquisite layering is revealed emerging from the sand in southern Holden Crater. Sequences like these offer a window into Mars' complicated geologic history.
Categories: Astronomy, NASA