The Hubble Space Telescope was launched in 1990 and is expected to remain in operation until 2030.

The James Webb Space Telescope, the Nancy Grace Roman Space Telescope, and the Wide Field Infrared Survey Telescope are all next-generation space telescopes that are planned to replace the Hubble Space Telescope.

The James Webb Space Telescope is currently scheduled to be launched in 2022.

The James Webb Space Telescope has a wide range of scientific goals, including studying the first galaxies that formed in the universe, searching for signs of life on other planets, and studying the evolution of stars and galaxies.

The Hubble Space Telescope Servicing Mission 6 is scheduled to launch in 2020 and will be the last servicing mission to the Hubble Space Telescope.

The Hubble Space Telescope Servicing Mission 6 will perform a variety of tasks, including replacing the Hubble Space Telescope's batteries, replacing the Hubble Space Telescope's gyroscopes, and installing new instruments on the Hubble Space Telescope.

The Hubble Space Telescope Servicing Mission 6 is expected to cost approximately $2 billion.

There are a number of risks associated with the Hubble Space Telescope Servicing Mission 6, including the possibility that the Hubble Space Telescope could be damaged during the servicing mission, the servicing mission could fail to complete all of its tasks, or the Hubble Space Telescope could be lost in space.

Servicing the Hubble Space Telescope will allow it to continue operating for longer, conduct new and more advanced scientific observations, and be used to study new and different objects in the universe.

The future of the Hubble Space Telescope after the Hubble Space Telescope Servicing Mission 6 is uncertain. It is possible that the Hubble Space Telescope will be retired, transferred to a new orbit, or used as a testbed for new technologies.

The Hubble Space Telescope is facing a number of challenges, including its age, increasing operating costs, and competition from new and more powerful space telescopes.

The Hubble Space Telescope has a number of opportunities for the future, including being used to study new and different objects in the universe, test new technologies, and train new astronomers.

The Hubble Space Telescope has had a profound impact on our understanding of the universe, inspiring a new generation of astronomers and helping to create a new appreciation for the beauty of the universe.

Space telescopes are becoming more powerful and sophisticated, allowing them to study a wider range of objects in the universe and help answer some of the biggest questions about the universe.