133-day Sun trip! Take the journey with NASA and see what happens. Watch | Tech News

133-day Sun trip! Take the journey with NASA and see what happens. Watch

This NASA video takes you on a 133-day Sun journey! NASA’s SDO chronicles four months of solar activity in a 59-minute video. Watch now.

| Updated on: Jan 08 2023, 10:40 IST
Think you know our Sun? Check out THESE 5 stunning facts
1/5 The Sun is the largest object in our solar system and is a 4.5 billion-year-old star – a hot glowing ball of hydrogen and helium at the center of the solar system. It is about 93 million miles (150 million kilometers) from Earth, and without its energy, life as we know it could not exist here on our home planet. (Pixabay)
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2/5 The Sun’s volume would need 1.3 million Earths to fill it. Its gravity holds the solar system together, keeping everything from the biggest planets to the smallest bits of debris in orbit around it. The hottest part of the Sun is its core, where temperatures top 27 million degrees Fahrenheit (15 million degrees Celsius). The Sun’s activity, from its powerful eruptions to the steady stream of charged particles it sends out, influences the nature of space throughout the solar system. (NASA)
3/5 According to NASA, measuring a “day” on the Sun is complicated because of the way it rotates. It doesn't spin as a single, solid ball. This is because the Sun’s surface isn't solid like Earth's. Instead, the Sun is made of super-hot, electrically charged gas called plasma. This plasma rotates at different speeds on different parts of the Sun. At its equator, the Sun completes one rotation in 25 Earth days. At its poles, the Sun rotates once on its axis every 36 Earth days. (NASA)
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4/5 Above the Sun’s surface are its thin chromosphere and the huge corona (crown). This is where we see features such as solar prominences, flares, and coronal mass ejections. The latter two are giant explosions of energy and particles that can reach Earth. (Pixabay)
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5/5 The Sun doesn’t have moons, but eight planets orbit it, at least five dwarf planets, tens of thousands of asteroids, and perhaps three trillion comets and icy bodies. Also, several spacecraft are currently investigating the Sun including Parker Solar Probe, STEREO, Solar Orbiter, SOHO, Solar Dynamics Observatory, Hinode, IRIS, and Wind. (Pixabay)
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The time-lapse video by NASA's SDO shows the Sun's outermost atmospheric layer - the corona. (NASA Goddard YouTube )

After the launch of Solar Dynamics Observatory (SDO) on February 11, 2010, NASA has kept an unwavering eye on the Sun. SDO studies how solar activity happens and drives space weather. The spacecraft's measurements of the Sun's interior, atmosphere, magnetic field, and energy output all work to help us understand the star we live with. Now, NASA's SDO has shared a video which chronicles solar activity for 133 days from August 12 to December 22, 2022. The time-lapse video shows the Sun's outermost atmospheric layer - the corona. You can come on this trip too, just watch the NASA Sun video.

NASA says that the SDO has provided unprecedented views of the Sun, which allows scientists to observe several activities of our star such as solar flares, coronal mass ejections (CME), and other solar phenomena in depth. This collected data by SDO has been used to improve the understanding of the Sun's influence on Earth's climate and environment. It also helps to better predict the effects of climate change. The time-lapse video of the sun also brings a clear view of the bright active regions passing across the face of the Sun as it rotates. The Sun rotates approximately once every 27 days.

How NASA's SDO managed to capture 133 days long activity of Sun

NASA explained that “with a triad of instruments, SDO captures an image of the Sun every 0.75 seconds. The Atmospheric Imaging Assembly (AIA) instrument alone captures images every 12 seconds at 10 different wavelengths of light.” So, during the time period of 133 days, SDO's instruments have taken photos at a wavelength of 17.1 nanometers. While compiling images taken 108 seconds apart, the video condenses 133 days which is about four months of solar observations into a 59-minute video.

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NASA's SDO transmits around 1.4 terabytes of data to the ground every day due to an unblinking eye pointed toward the Sun! Yet, there have been a few moments it missed. While sharing the video, the space agency also said that “SDO and other NASA missions will continue to watch our Sun in the years to come, providing further insights about our place in space and information to keep our astronauts and assets safe.”

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First Published Date: 08 Jan, 10:18 IST