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Two Amur tiger cubs had their first public outing Thursday at Cologne Zoo in Germany, one of several zoos that have sought to help keep up the numbers of the rare big cats. Amur tigers, also known ...
From the orbital data, astronomers were able to refine the calculations of the mass to 4.3 × 10 6 M ☉ and a radius of less than 0.002 light-years for the object causing the orbital motion of those stars. [176] The upper limit on the object's size is still too large to test whether it is smaller than its Schwarzschild radius.
Two Ohio lawmakers were joined by an NFL players union representative on Tuesday in unveiling legislation to require the state’s professional sports teams to play on natural grass. The effort is ...
For this study, West and her team analyzed data from more than 26,000 adults ages 53 to 86 listed in the U.K. Biobank. Participants had completed various cognitive tests including memory, reaction ...
Sirius is the brightest star in the night sky. Its name is derived from the Greek word Σείριος (Latin script: Seirios ), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa. With a visual apparent magnitude of −1.46, Sirius is almost twice ...
It is further estimated that 3% to 4.5% of Sun-like stars possess a giant planet with an orbital period of 100 days or less, where "giant planet" means a planet of at least 30 Earth masses. [ 5 ] It is known that small planets (of roughly Earth-like mass or slightly larger) are more common than giant planets. [ 6 ]
Customers of HSBC, Nationwide and Virgin Money suffered outages to their online banking services on Friday, in the latest such disruption to plague an industry which increasingly relies on such ...
July 19, 2024 at 1:01 PM. Joe Biden does not appear ready to call time on his re-election bid [Getty Images] Joe Biden's campaign has been thrust into a pressure cooker of doubt, as panic and ...