NASA has released a new footage with Earth images, a headline of “Two Decades of Earth Data at Your Fingertips”. “Powerful Earth-observing instruments aboard NASA’s Terra and Aqua satellites, launched in 1999 and 2002, respectively, have observed nearly two decades of planetary change”.
Researcher found super-deep diamond in the Earth’s mantle that humans have never seen before. According to the scientist the diamond provides “fundamental proof” of the long-theorized idea that slabs of oceanic crust that sink deep within the Earth are recycled into the lower mantle. They found the trapped mineral in a diamond from South Africa’s Cullinan Mine. This mine has produced some of the most expensive diamonds in the world, including two of the largest diamonds in the British Crown Jewels. “It’s also the source of some of the most scientifically valuable diamonds” Graham Pearson, a professor at the University of Alberta and one of the study’s authors, said in a statement. The rocks can shed light on the deepest parts of Earth’s core.
We are always speaking about our galaxy, universe and everything that related to out of our planet. Humans have been to the moon and study every corner of the planet, but there is one place that we have forgotten, and have never been. Yes, you guessed correctly, it is about the plans that scientists are going to drill into Earth’s mantle by 2030, the planet’s interior, which lies just beneath the outer crust. Researchers of Japan’s Agency for Marine-Earth Science want to find out more about how our planet was formed and what the mantle is consists of. The mantle composed of more than 80% of the Earth’s mass, lying 6 miles (10 kilometers) beneath the ocean floor.
Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet. Water covers 70% of Earth’s surface.…
Two NASA spacecrafts, one studying systems of Saturn, another observing Mercury, at the same time will arrive on the taken-away place to photograph Earth, on July 19 and 20. The Cassini spacecraft will take the picture from system between 5:27 and 5:42 evenings of EDT (2:27 and 2:42 PDT or 21:27 and 21:47 UTC) on Friday, July 19. The Cassini spacecraft will be at distance about 900 million kilometers from Earth. NASA urges the population to pose “in style of a wave” in the direction of Saturn during this portrait shooting and then shares the photos on the Internet. Earth photos with the Cassini spacecraft, will be part of more extensive mosaic of systems of Saturn. Processing of images of Earth, as expected, will take some days, and processing of a full mosaic of system of Saturn can take some weeks.
On Earth began the magnetic storm. The index of geomagnetic indignations of Kp in the morning on Saturday reached value 5. 5 is a minimum level which is considered the magnetic storm, and then the index rose to 6. The reason of geomagnetic indignations can be the stream of a high-speed solar wind. The stream is the loaded particles which source is the coronal hole on the Sun (rather dark area on a solar disk with open lines of a magnetic field). This hole was noticed in pictures from the “Stereo” probe on the invisible part of the Sun 10 days ago. Then scientists predicted that on June 28-29 when it comes to our part, the magnetic storm of moderate force can begin.
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The loaded particles, which have been thrown out by the Sun during four powerful solar flares in previous days, reached to the Earth. The American GOES satellites fix growth of concentration of protons in near-earth space. The weak proton solar flare testify the forecast of the center of space weather of National administration of oceanic and atmospheric researches of the USA (NOAA) These are the remains of streams, which were injected by earlier active area 1748 at east edge of the Sun. The main streams passed by. The astronomers don’t expect any dangerous phenomena. Since Monday on the Sun there were four powerful x-ray flashes of the highest class X, which weren’t observed since October, 2012. Each such solar flare was accompanied by emissions of solar plasma and the loaded particles of high energy. Their source is group of 1748 spots, which was at east edge of the Sun therefore emissions took place and passes by the Earth, and won’t cause magnetic storms.
Scientists consider that asteroids were a source of water on the Moon and in Earth . Astronomers analyzed isotope structure of samples of a deep cloak of the Moon, delivered by mission “Appolo” to the Earth, and came to a conclusion that water molecules in them and in a matter of Earth come from the same source, which most likely were asteroids. It is considered, that the Moon was formed as a result of collision of a protoplanetary body, with Earth “germ”. Collision led to emission of a matter of hot cloud of debris and proto-Earth in space, from which was created the Moon. This cataclysm was considered as the reason of why its subsoil and a surface are almost deprived of water. This hypothesis was called into question in February 2012, when scientists found unexpectedly high concentration of water in lunar magmatic breeds. Astronomers under the leadership of Erik Hauri from Carnegie’s Institute in Washington (USA) found one more argument against the classical theory of formation of the Moon, having analyzed isotope structure of breeds of its cloak.