The Bagdad Battery
In the central region of the Mesopotamia lies a country that has had much history. A country that has seen the rise and fall of great empires, a country that has been a subject throughout the Bible, Iraq .
Astronomers using ESA’s Herschel and NASA’s Spitzer space telescopes have detected surprisingly rapid changes in the brightness of embryonic stars within the well-known Orion Nebula. Images from Herschel’s far-infrared instrument and two of Spitzer’s instruments working at shorter wavelengths give .
How to Learn a Star's True Age
For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our Sun, most stars look almost the same for most of their lives. .