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NASA finds most accurate position of Saturn, its moons

Published

10 years ago

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Washington: NASA researchers have pinpointed the exact position of Saturn and its family of moons to within about four km – a feat that will improve astronomers’ knowledge of Saturn’s orbit and benefits spacecraft navigation and basic physics research.

They paired NASA’s Cassini spacecraft with the National Science Foundation’s Very Long Baseline Array (VLBA) radio-telescope system to achieve this.

The measurement is some 50 times more precise than those provided by ground-based optical telescopes, the US space agency said in a statement.

“This work is a great step towards tying together our understanding of the orbits of the outer planets of our solar system and those of the inner planets,” said Dayton Jones of Jet Propulsion Laboratory in Pasadena, California.

The team used the VLBA — a giant array of radio-telescope antennas spread from Hawaii to the Virgin Islands — to pinpoint the position of Cassini as it orbited Saturn over the past decade by receiving the signal from the spacecraft’s radio transmitter.

They combined this data with information about Cassini’s orbit from NASA’s Deep Space Network.

The combined observations allowed the scientists to make the most accurate determinations yet of the position of the centre of mass of Saturn and its numerous moons.

The improved positional information will help enhance precise navigation of interplanetary spacecraft and help refine measurements of the masses of solar system objects.

It will also improve predictions of when Saturn or its rings will pass in front of background stars – events that provide a variety of research opportunities for astronomers.

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Apple is giving a huge discount on its gadgets: Details inside

Published

3 years ago

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May 5, 2022

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If you want to buy an iPhone and were waiting for a nice offer, then we have a piece of good news for you! Amazon Summer Sale May 2022 has begun and they are offering major discounts on various smartphones, laptops, and smart TVs, among others.

The sale is live now on the e-commerce platform with no-cost EMI options and exchange discounts on various products. In addition to this, Amazon has also partnered with several banks including ICICI, Kotak Bank, and RBL so that customers get instant discounts of up to 10% using their cards and EMI transactions.

Customers can easily enjoy this summer sale and get massive discounts on iPhones. They can also compare prices on Flipkart Big Saving Days Sale 2022 before making a purchase.

 

Amazon Summer Sale May 2022: Discount offer on iPhone 13 

Apple’s coveted phone model iPhone 13 in the 128 GB storage model will be available during the Amazon Summer Sale May 2022 for Rs 64,900. The MRP of the phone is Rs 79,900. This means that the customers will be able to enjoy a discount of up to Rs 15,000 on the purchase of the iPhone 13.

If you have an old iPhone in working condition then you will also be eligible to receive another additional discount worth up to Rs 17,000 on the iPhone 13.

Buy at Rs. 64,900 (MRP – Rs. 79,900)

Features of Apple iPhone 13 

The iPhone is powered by an A15 Bionic processor with 6 core CPU. Apart from this, it has 16 core neural engines. With the iPhone 13, up to 512 GB of storage will be available. The iPhone 13 has a 6.1-inch Retina XDR display with 1000 nits brightness.

The iPhone 13 has a 12-megapixel dual rear camera setup. This time a new wide-angle camera has been given, whose aperture is f/1.6. With this, there is support for sensor optical stabilisation. Night mode has been made better than before. The second lens is also 12 megapixels ultra-wide and has an aperture of f/2.4.

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