Groundbreaking X-ray optics will enable future observatories

An X-ray telescope is characterized by four parameters: angular resolution, effective area, mass, and production cost. Researchers at NASA GSFC have developed a new X-ray mirror technology that is expected to improve one ...

NASA image: A precocious black hole

In July 2015, researchers announced the discovery of a black hole, shown in the above illustration, that grew much more quickly than its host galaxy.

Chandra celebrates the International Year of Light

The year of 2015 has been declared the International Year of Light (IYL) by the United Nations. Organizations, institutions, and individuals involved in the science and applications of light will be joining together for this ...

Image: Multicoloured view of supernova remnant

Most celestial events unfold over thousands of years or more, making it impossible to follow their evolution on human timescales. Supernovas are notable exceptions, the powerful stellar explosions that make stars as bright ...

Image: Elephant Trunk Nebula

When radiation and winds from massive young stars impact clouds of cool gas, they can trigger new generations of stars to form.

Image: Galaxy NGC 4945

This image provides a view into the central region of a galaxy that is similar in overall appearance to our own Milky Way, but contains a much more active supermassive black hole within the white area near the top.

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