Astronomers using the Parkes radio telescope in Australia have detected unusual radio signals from Earth’s closest magnetar, XTE J1810-197, which is behaving in unprecedented ways by emitting rapidly changing circular polarization. The signals, first detected in 2003 and then again in 2018, suggest complex interactions at the star's surface, challenging previous theoretical explanations. The cause of these unusual signals remains a mystery, but researchers believe they may be linked to superheated plasma above the magnetar's magnetic pole. Further studies are needed to unravel the complexities of these radio waves, which could provide insights into various extreme phenomena in the universe.
Scientists at Australia's CSIRO have made a major breakthrough in developing lightweight, printable solar cells with various applications, including integration into buildings, vehicles, clothing, and wearable devices. The cells, made using perovskite materials, have shown promising efficiency rates and are being produced using a cost-effective printing process. This innovation could lead to more accessible and sustainable solar power solutions, potentially reducing energy costs for homeowners and contributing to environmental benefits.
Scientists were surprised when a "dead" neutron star with an incredibly powerful magnetic field, known as a magnetar, unexpectedly emitted strange radio signals, challenging current understanding of these celestial objects. The magnetar, XTE J1810-197, located 8,000 light-years away, exhibited unprecedented circularly polarized light, defying expectations. This discovery, made using the Australian CSIRO Parkes radio telescope, suggests the presence of superheated plasma above the magnetar's magnetic pole. Further observations aim to shed light on various extreme magnetar-related phenomena, offering insights into these enigmatic cosmic entities.
