... for 4-billion-year-old Martian organics containing nitrogen. Before using a technique called Nitrogen K-edge micro X-ray Absorption Near Edge Structure (μ-XANES) spectroscopy to detect the nitrogen content of the ALH84001 carbonates, the ELSI...
... escape from low redshift star-forming galaxies, and AEPEX (Atmospheric Effects of Precipitation through Energetic X-rays), a scientific investigation mission that aims to better understand the influence of the magnetosphere on the Earth’s upper...
... of comet 46P/Wirtanen allowed astronomers to study it in detail. They combined the unique capabilities of Hubble, NASA’s Chandra X-ray Observatory and the Neil Gehrels Swift Observatory to study how gases are released from the nucleus...
...texts such as this. The subject is the Chandra X-ray Observatory which, as the book’s subtitle confirms, was ...chapters describe the spacecraft and the many astronomical sources of x-rays it is designed to observe - from stars and planetary systems...
... more distant galaxies, which are harder to see." X-ray binaries are formed when a star much larger than our ..., Wik and colleagues are aiming to distinguish what fraction of X-ray binaries are black holes or neutron stars in order to understand ...
...'s magnetic field), Jupiter produces bright and energetic X-ray auroras, but Saturn doesn’t. Stranger still, a ...atom, and the process is not energetic enough to create X-rays. Jupiter’s X-ray aurora on the other hand is fundamentally an ion aurora,...