Archaeologists say Neanderthals used leaf-shaped spears to hunt. The 65,000-year-old leaf-shaped spear found in the Swabian jura, a cave in Germany, led researchers to this conclusion. Leafpoint was discovered at the Hoyle Fels Archaeological Site. This handicraft is 7.6 c.m...
Washington: The United States has again delayed a plan to bring man back to the moon. The project, dubbed the Artemis Mission, was originally planned to be completed by 2024. But this has been postponed to 2025. The astronauts who...
A supermassive black hole with a mass of millions to billions of times the mass of the Sun. When the gas in the accretion disk reaches the black hole, energy is emitted in the form of electromagnetic radiation, which can...
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