The Huíla plateau, bounded by dramatic cliffs and chasms, stands above the arid coastal plains in the country’s southwest.
NASA’s IXPE Measures White Dwarf Star for First Time
By Michael Allen For the first time, scientists have used NASA’s IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star. Using IXPE’s unique X-ray polarization capability, astronomers examined a star called the intermediate polar EX Hydrae, unlocking the geometry of energetic binary systems. In 2024, IXPE spent nearly one week focused on EX Hydrae, a […]