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The latest Messages 44
2022-06-11 06:32:53
The Kuiper belt is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun. It is similar to the asteroid belt, but is far larger—20 times as wide and 20–200 times as massive. Like the asteroid belt, it consists mainly of small bodies or remnants from when the Solar System formed. While many asteroids are composed primarily of rock and metal, most Kuiper belt objects are composed largely of frozen volatiles (termed "ices"), such as methane, ammonia, and water. The Kuiper belt is home to most of the objects that astronomers generally accept as dwarf planets: Orcus, Pluto, Haumea, Quaoar, and Makemake. Some of the Solar System's moons, such as Neptune's Triton and Saturn's Phoebe, may have originated in the region.━━━━━━━━━━━━
@Physics | @Education
102 views03:32
2022-06-10 04:23:13
In condensed matter physics, a Bose–Einstein condensate (BEC) is a state of matter that is typically formed when a gas of bosons at very low densities is cooled to temperatures very close to absolute zero (−273.15 °C or −459.67 °F). Under such conditions, a large fraction of bosons occupy the lowest quantum state, at which point microscopic quantum mechanical phenomena, particularly wavefunction interference, become apparent macroscopically. A BEC is formed by cooling a gas of extremely low density (about 100,000 times less dense than normal air) to ultra-low temperatures.━━━━━━━━━━━━
@Physics | @Education
531 views01:23
2022-06-09 07:13:02
THE WORLD'S LARGEST MONOLITHIC OPTICAL TELESCOPEThe Large Binocular Telescope (LBT) is an optical telescope for astronomy located on 10,700-foot (3,300 m) Mount Graham, in the Pinaleno Mountains of southeastern Arizona, United States. It is a part of the Mount Graham International Observatory.
When using both 8.4 m (330 inch) wide mirrors, with centres 14.4 m apart, the LBT has the same light-gathering ability as a 11.8 m (464 inch) wide single circular telescope and the resolution of a 22.8 m (897 inch) wide one.
The LBT mirrors individually are the joint second-largest optical telescope in continental North America, next to the Hobby–Eberly Telescope in West Texas. It has the largest monolithic, or non-segmented, mirror in an optical telescope.
Strehl ratios of 60–90% in the infrared H band and 95% in the infrared M band have been achieved by the LBT.━━━━━━━━━━━━
@Physics | @Education
2.2K views04:13
2022-06-08 05:13:40
World’s First Liquid Mirror Telescope For Astronomy Set Up At Uttarakhand, India
India has set up the nation’s
first-ever ‘liquid mirror telescope’ at Uttarakhand’s Devasthal Observatory, which also happens to be Asia’s largest International Liquid Mirror Telescope.
Sitting at a height of 2,450 metres, the liquid mirror telescope was set up in India in collaboration with Belgium, Canada, Poland, and Uzbekistan and was designed and built at the Advanced Mechanical and Optical Systems Corporation and the Centre Spatial de Liège in Belgium.
The telescope is owned and operated by Aryabhatta Research Institute of Observational Science (ARIES). It also happens to be the first-ever liquid mirror telescope to be commissioned for astronomy.Source: Indiatimes
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@Physics | @Education
1.5K views02:13
2022-06-07 06:56:43
STEEL IS MORE ELASTIC THAN RUBBERWe generally understand that material is elastic if it is stretchable and regains its shape quickly when the stretching force is removed. According to physics, elasticity is the property of a material to regain its shape after deformation. You might not believe that steel is elastic in nature but physics dictates that it is. Actually, steel is very much elastic than rubber. This is the reason why it is used for making bridges and buildings. When deformed, it can quickly regain its original shape, better than rubber.━━━━━━━━━━━━
@Physics | @Education
234 views03:56
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