Landsat 9: The satellite launched to monitor the Earth’s land surface

The satellite launched to monitor the Earth’s land surface

Question; Which of the following country recently launched the satellite Landsat 9?
a) USA
b) China
c) India
d) UK
Answer: (a)
Related Facts:-

  • On 27 September 2021; NASA launched the satellite Landsat 9 from Vandenberg Space Force Base in California.
  • It is a joint mission of NASA with the U.S. Geological Survey (USGS)
  • The first Landsat satellite launched in 1972.
  • Since then, NASA has always kept a Landsat in orbit to collect images of the physical material covering our planet’s surface and changes to land usage.
  • Those images allow researchers to monitor phenomena including agricultural productivity, forest extent and health, water quality, coral reef habitat health, and glacier dynamics.
  • In the duration of nearly 50 years, Landsat satellites observed our home planet, providing an unparalleled record of how its surface has changed over timescales from days to decades.
  • Landsat 9 joins its sister satellite, Landsat 8, in orbit. Working in tandem, the two satellites will collect images spanning the entire planet every eight days.
  • According to NASA scientists Landsat 9 will have new eyes in the sky when it comes to observing our changing planet.

Links:-
https://www.nasa.gov/press-release/nasa-launches-new-mission-to-monitor-earth-s-landscapes