NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

Betelgeuse confirmed to have a small companion star Discovery made using Hubble and Chandra telescopes Companion likely a ...

A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

BEIJING -- China's Einstein Probe (EP) astronomical satellite has captured an X-ray flash from a rare and elusive binary star system, offering new insights into the interaction and evolution of ...

Pulsars suggest that ultra–low-frequency gravitational waves are rippling through the cosmos. The signal seen by ...

Using various space telescopes, an international team of astronomers have observed a newly detected very faint X-ray ...

Scientists have released nine dazzling images from NASA's Chandra X-ray Observatory, blending data with the Hubble and James Webb space telescopes to reveal black holes, star clusters and distant ...

The script does not check if the xray binary was successfully downloaded or even exists. Later lines try to run xray, which simply fails with “command not found” if the download step was unsuccessful.

Binary options let investors predict asset price movements for a fixed payout. Investors know potential gain or loss upfront, simplifying risk management. Example: Predicting a stock price increase ...

On May 26, 1983, the European Space Agency launched its first X-ray Observatory into space. The spacecraft was called EXOSAT, which stands for European X-ray Observatory SATellite. The mission was ...