We live in the suburbs of the giant, spiral Milky Way galaxy. Earth is about 26,000 light years from the teeming, tumultuous Galactic Center where most of the action takes place. On the one hand, that's probably a good thing for fragile creatures such as ourselves. On the other hand, we are also incurably curious and would like to know what's happening there.
For modern-day optical telescopes that routinely look at objects billions of light years away, examining a region only 26,000 light years distant shouldn't present much of a problem. Full Story
Give that telescope a blanket
One of the most important tasks involved with having telescopes in space is keeping them at the correct and constant temperature. It's not just because telescopes like Chandra like to...
[More (07 May 08)]
One of the most important tasks involved with having telescopes in space is keeping them at the correct and constant temperature. It's not just because telescopes like Chandra like to...
[More (07 May 08)]
Of note last week was the presentation on Apr 23 by the Chandra team to the Astrophysics Division Senior Review for Operating
Missions. [more]
NGC 6121 [04/28/2008]These are Chandra X-ray Observatory images of the centers of two globularclusters, NGC 6397 and NGC 6121, located in the Milky Wa...
Take Chandra anywhere! Just download Chandra Podcasts to your portable MP3 player and go. Now playing: Kepler's Supernova Remnant in 60 Seconds 
This Chandra X-ray Observatory image shows Westerlund 2, a young star cluster with an estimated age of about one or two million years.Download Desktop. 
Scientists have recently used Chandra to observe powerful flares on young Sun-like stars in the Orion Nebula. These results show that solar flares may have played an important role in shaping our solar system. Here, we explain more of the science behind these conclusions and give some other details about these deep Chandra observations. Full Story
Most of the Universe is dark. The protons, neutrons and electrons that make up the stars, planets and us represent only a small fraction of the mass and energy of the Universe. The rest is dark and mysterious. X-rays can help reveal the secrets of this darkness. X-ray astrophysics is crucial to our understanding not only of the Universe we see, but the quest to determine the physics of everything. Full Story
If our Sun collided with another star, it would probably be really bad for life on Earth. We're safe from such a fate because the nearest star to the Sun is Proxima Centauri, about 4.2 light years (or 25 million million miles) away. Full Story
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Updated: April 28, 2008