NASA’s Landsat 9 sent beautiful pictures of Earth, will make human life better

The joint mission ‘Landsat 9’ of NASA and the US Geological Survey (USGS) was launched on 27 September. This Earth observation satellite has collected its first light images of Earth.

According to a NASA press release, these images, found on October 31, indicate that this mission will help people manage important natural resources and understand the effects of climate change.

NASA Administrator Bill Nelson said the first images from Landsat 9 captured important things about our changing planet. It will carry forward the mission of NASA and the US Geological Survey, which provides critical data about Earth’s land and coastline as seen from space. This program can help improve lives as well as save lives. He said that NASA will continue to work with USGS to help decision makers around the world, including the US, better understand the devastation of the climate crisis.

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These images have provided important information about the coastlines of Detroit, Michigan and Florida in the US, as well as the changing landscape of the high mountains of Asia, and the coastal islands and coastlines of northern Australia.

The design of Landsat 9 is similar to that of Landsat 8, which was launched in 2013. Landsat 8 is still in orbit, but the new satellite has been launched with many improvements. It sends data back to Earth with high radiometric resolution. In particular, data related to water or dense forests. For example, the Landsat 9 can detect differences in 16000 shades of a wavelength, compared to the older Landsat 7 that only detects 256 shades.

Jeff Masek, a scientist associated with NASA’s Landsat 9 program at Goddard Space Flight Center, said the first images are a milestone for Landsat users. This is the first time to see the quality sent by Landsat 9. The press release also mentioned that Landsat 9 has two instruments, which capture the images.

Regarding the first images, USGS Acting Director Dr David Applegate said that the first and incredible images from Landsat 9 are a glimpse of the data that can give us scientific methods on many key issues including water use, effects of wildfires, glaciers. Will help in decision making. USGS will operate Landsat 9 as well as Landsat 8, and the two satellites together will collect about 1,500 images of the Earth’s surface every eight days.


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