NASA satellites and astronauts have captured images of many natural wonders and disasters on Earth. Let’s get acquainted with some of them. Raikok Volcano The Raikok volcano on Kuril Island rarely erupts. The last eruption on the small oval-shaped island was in 1994. This period of inactivity of the subsequent Raikok ended on June 22,…
Researchers at the University of Colorado conducted a survey of large elephant graveyards in Italy and found that ancient humans made tools out of elephant bones. This discovery from Italy reveals that bone tools have existed since the Lower Paleolithic period. These bone tools are made from the remains of now extinct straight-tusked-elephants. From here…
From the history of science we can find many revolutions that have changed and corrected human perceptions of the universe. Through Copernicus, a revolution took place that established a heliocentric world instead of a world centered on the earth. Earth was transformed into a small planet orbiting the star Sun. Later, man saw a new…
After nearly 20 years of development and 16 launch delays, the James Webb Space Telescope (JWST) is almost ready. Set to launch on 31 October 2021, the largest space observatory ever built is set to revolutionise our understanding of the cosmos and help solve some of the Universe’s greatest mysteries.Instead or orbiting the Earth, Webb…
The Tehran Times reports that Neanderthal teeth from Iran date to the Middle Paleolithic period. An international team of researchers, including archaeologists and paleontologists, analyzed the tooth of a Neanderthal child / tooth and found that it was from the Middle Paleolithic period. In 2017, Neanderthal baby tooth was obtained from the Baba Yawan rock…
Chandrayaan 2 Orbiter has been sending high resolution images of the Moon and other scientific data to Earth for two years. ISRO is conducting an online Lunar Science Workshop on Septemper 6-7. In addition, data and images collected by Chandrayaan 2 orbiter will be made available in the public domain. Chandrayaan 2 was mentioned in…
Look at the two pictures given to make this clear. The first is when someone throws a stone. The velocity of the stone is shown as two elements, vertical and horizontal. Since there is no force in the opposite direction to the coastal component, the stone travels away until it falls to the ground. As…
Astrosat is India’s first space telescope. The telescope can observe everything from distant galaxies to black holes. Launched September 28, 2015. The ASTROSAT, which weighs 1513 kilograms, orbits the equator at a distance of 650 km from Earth. Astrosat controls ISRO’s Mission Operations Complex (MOX) in Bangalore. The astrosatellite has five payloads (observational instruments) capable…
