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New and Noteworthy
One-stop shopping for all the latest Chandra materials available.
Recent Images

CXO J101527.2+625911

CXO J101527.2+625911
A candidate recoiling black hole located in an elliptical galaxy about 3.9 billion light years away.
Crab Nebula

Crab Nebula
A supernova remnant located about 6,500 light years from Earth.
Perseus Cluster

Perseus Cluster
Scientists have found a vast wave of hot gas in the Perseus galaxy cluster spanning some 200,000 light years.
Abell 262

Abell 262
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
Abell 383

Abell 383
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
Abell 1413

Abell 1413
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
Abell 2390

Abell 2390
Astronomers used Chandra observations of 13 galaxy clusters to study the properties of dark matter.
NGC 4696

NGC 4696
Centaurus Cluster: A cluster of galaxies located about 145 million light years from Earth.
CDF-S Transient

CDF-S Transient
A source located in the Chandra Deep Field-South (CDF-S) that displays extraordinary properties.
47 Tucanae

47 Tucanae
A binary system in 47 Tucanae, a globular cluster located about 14,800 light years from Earth.
Supernova 1987A

Supernova 1987A
A supernova in the Large Magellanic Cloud about 160,000 light years from Earth.
Phoenix Cluster

Phoenix Cluster
The central galaxy in this cluster harbors a supermassive black hole.
Item of Interest

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The Chandra X-ray Center emails the Chandra Digest approximately every two weeks and includes the latest press release or image from Chandra, the recent Observatory status report, as well as any new science features, additions to the Chandra web site and more.

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Latest Updates
Calendar 2017
Printable 2017 Chandra Calendar
Print your own 2017 Chandra calendar with spectacular images from the past year.
Science Olympiad
Science Olympiad Astronomy Webinar
Science Olympiad is a national non-profit organization dedicated to improving the quality of K-12 science education, increasing interest in science for all students.
Chandra Google+
Chandra on Google+
Visit us on Google+ and contribute to our ongoing conversation about the work we do.
Space Scoop
Chandra for Kids
In cooperation with Space Scoop: Bringing news from across the Universe to children all around the world. Universe Awareness and the Chandra X-ray Observatory.
Chemistry
Chemistry and the Universe
The familiar periodic table of elements has been adapted to show how astronomers see the chemical Universe.
Supernova Remnants
Investigating Supernova Remnants
An activity that uses Chandra data to investigate several supernova remnants to determine if the supernova was a Type II core collapse or a Type Ia thermonuclear event.
Sight Lines
Sight Lines
This online exhibition explores the research processes used by art conservators and astrophysicists, featuring X-ray images of the cosmos from NASA's orbiting Chandra X-ray Observatory and X-ray images of modern paintings from the Harvard Art Museum.
The Galactic Center
The Galactic Center
A panoramic X-ray view, covering a 900 by 400 light year swath, shows that the center of the Galaxy is a teeming and tumultuous place.
Space Math @ NASA
Space Math @ NASA
Space Math @ NASA introduces students to the use of mathematics in today's scientific discoveries.
Telescopes & Light
Telescopes & Light
Astronomers have built telescopes and detectors that can see far beyond the type of radiation we can detect with the human eye.
HD
Animations & Video in High Definition
Animations in high definition viewable on your computer or television.
Multiwavelength
Images With Multiwavelength Feature
Explore these interactive images by turning on and off the different kinds of light incorporated into the composite.
First Decade
Chandra's First Decade of Discovery
In 1999, the most powerful X-ray telescope ever made began its exploration of the hot Universe. Explore the highlights of the Universe with Chandra.
Wonders Within
Constellations : Wonders Within
This series of posters represents some of the most dramatic images made by combining data from the best of modern telescopes.
Erth to Heavens
From the Earth to the Heavens
A side by side comparison of images of Earth by Yann Arthus-Bertrand and images taken by Chandra.
3D Wall
View Chandra Images in 3D Wall
Scroll through the entire library of released Chandra images in a quick-downloading 3d wall format with the Cooliris plug-in for Firefox, Internet Explorer and Safari web browsers.
X-ray 101
X-ray Images 101
Chandra 101 provides information about topics pertaining to the Chandra X-Ray Observatory. Many sections contain links to more detailed information.
Invisible Sky
Touch the Invisible Sky
Multi-wavelength astronomy - the study of the universe at wavelengths beyond the visible, has revolutionized our understanding and appreciation of the cosmos.
Print Gallery
Bringing Chandra to you
These high resolution Chandra images may be printed on your home printer, from an online photo web site, or at an in-store photo station.
Chandra Highlight
A Tour of CXO J101527.2+625911
Chandra Podcasts
A Tour of CXO J101527.2+625911

Now you can take Chandra anywhere, be it school, work or play. Just download Chandra Podcasts to your portable MP3 player and go.
Chandra Blog
Astronomers Pursue Renegade Supermassive Black HoleCXO J101527.2+625911 Supermassive holes are generally stationary objects, sitting at the centers of most galaxies. However, using data from NASA's Chandra X-ray...
[More (09 May 17)]
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A detailed site map helps you explore chandra.harvard.edu, includes Top 5 Questions.

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