[ad_1] Each year, in a process known as senescence, the leaves of deciduous trees turn yellow, orange and red when they suspend growth and extract nutrients from the foliage, before dropping from the tree before winter. . Leaf senescence also marks the end of the period in which plants take up carbon dioxide through photosynthesis. … Read more
[ad_1] It sounds like science fiction: giant solar power plants floating in space that transmit huge amounts of energy to Earth. And for a long time, the concept – first developed by Russian scientist Konstantin Tsiolkovsky in the 1920s – has mostly been a source of inspiration for writers. A century later, however, scientists are … Read more
[ad_1] A delicate but superbly preserved skull of a crow-sized bird with a scythe-shaped beak that inhabited Madagascar 68 million years ago shows scientists that they have learned a lot about bird diversity in the world. age of the dinosaurs. Scientists said on Wednesday that the bird, called Falcatakely forsterae, possessed a different face than … Read more
[ad_1] A 5,000-year-old whale skeleton has been discovered, almost perfectly preserved, by Thai researchers. The skeleton, believed to be a Bryde’s whale, was found in Samut Sakhon, west of Bangkok. Researchers have excavated 80% of the remains and have so far identified 19 complete vertebrae, five ribs, a scapula and fins. The skeleton is 12 … Read more
[ad_1] After nearly 60 years of service, the National Science Foundation (NSF) is pulling the plug on the Arecibo Observatory in Puerto Rico. Following a series of equipment failures, NSF Director of Astronomical Sciences Ralph Gaume announced on November 19 that the radio telescope was beyond repair and would be taken out of service. The … Read more
[ad_1] A Japanese spacecraft that successfully “bombed” an asteroid after traveling more than 3 billion kilometers in space is about to return to Earth. Japanese spacecraft Hayabusa2 is expected to drop at least 100 milligrams from near-Earth asteroid Ryugu in Woomera, Australia on December 6. After that, he will continue his journey to visit additional … Read more
[ad_1] This map suggested that the center of the Milky Way, and the black hole in it, is located 25,800 light years from Earth. This is closer than the official value of 27,700 light years adopted by the International Astronomical Union in 1985, the National Observatory of Japan said. In addition, according to the map, … Read more
[ad_1] MOSCOW, November 26 / TASS /. Russia could deploy its own orbital service station, occupied by two to four cosmonauts, after 2024, said Vladimir Solovyov, the first deputy general manager of Energia Rocket and Space Corporation, according to the Scientific Russia website. “[Vladimir Solovyov] also presented the project of a Russian Orbital Service Station … Read more
[ad_1] A ground view of the sky around galaxies NGC1052-DF4 and NGC1052-DF2 – another galaxy with little or no dark matter. NGC1052-DF2 is next on Dr. Montes’ list of galactic mysteries to be solved. Photo: ESA / Hubble, NASA, Digitized Sky Survey 2. Credit: Davide de Martin A distant galaxy with almost no dark matter … Read more
[ad_1] (Journalist) – Last week’s news that an iconic radio telescope that has gazed into the cosmos for nearly six decades has been decommissioned and demolished hit the scientific community hard, and now they are fighting to keep the astronomical monument alive. The telescope at the Arecibo Observatory in Puerto Rico sustained structural damage after … Read more