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21 hours ago · This new deep Chandra dataset of Westerlund 1 has more than tripled the number of X-ray sources known in the cluster. Before the EWOCS project, Chandra had detected 1,721 sources in Westerlund 1. The EWOCS data found almost 6,000 X-ray sources, including fainter stars with lower masses than the Sun. This gives astronomers a new population to study.
21 hours ago · The concept of laser-pushed interstellar lightsails was reinvented by Marx in 1966. Since Marx was unwilling to consider a laser aperture greater than 1 km 2, he was forced to assume the use of hard x-rays in order to obtain the operational ranges needed for interstellar flight. The impossibility of constructing both an x-ray laser and a ...
Jun 8, 2024 · On 3/7/24, Astrophysical Journal published online "X-ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624-49" by M. Lynne Saade (Astrophysics Branch) et al. This is the 51st discovery paper published by the IXPE Science Team. The first author, Lynnie Saade, is a new postdoc working on IXPE and this is her first IXPE paper, which was ...
21 hours ago · Sun. The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, [18] [19] heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
21 hours ago · Credit: NASA/CXC & J. Vaughan. The Chandra X-ray Observatory turns 25 next month, and to celebrate, NASA is bringing some of its most intriguing landmarks into your home. Using augmented reality ...
1 hour ago · Amid Alleged Estrangement. 6/7/2024 1:26 PM PT. Getty Composite. Billy Ray Cyrus is wearing his achy breaky heart on his sleeve, penning an unexpected tribute to his daughter Miley Cyrus -- a ...
1 hour ago · Hays (ribs) had X-rays come back negative but is not in the lineup for Friday's game against the Rays, Jacob Calvin Meyer of The Baltimore Sunreports. Hays was hit by a pitch in the ribs Thursday ...
