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X-ray Astrophysics - The high energy cosmos

X-radiation is only emitted by the hottest and most energetic...

Our only natural satellite has been an object of fascination...

Interstellar space is not truly a vacuum devoid of matter...

Innovation is seen as the key to economic growth. But...

Changes in the Sun's output can endanger health, power supplies...

Beyond the Solar System, all astronomers have to work with...

A look at the way the Roman Empire has sometimes...

Robbert Dijkgraaf's focus is on string theory, quantum gravity, and...

Clusters of galaxies are the largest organised structures in the...

Rotation is a fundamental physical process throughout the Universe. So...