Hubble space telescope mission

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Hubble Space Telescope Mission Overview

The Hubble Space Telescope (HST) was launched in April 1990 after nearly fifteen years of planning, construction, and testing. It orbits Earth about 380 miles above the surface, providing astronomers with a unique platform to observe the universe without atmospheric interference, which is a significant advantage over ground-based observatories 145.

Mission Goals and Scientific Objectives

Hubble's primary mission is to help scientists understand the origin and evolution of the universe, the laws of physics that govern it, the birth of stars and planets, and the potential for life elsewhere. Key scientific objectives include mapping the Hubble flow, measuring Hubble's constant with high accuracy, determining the universe's age, exploring galaxy formation, imaging black hole environments, and searching for extrasolar planetary systems 235.

Instruments and Capabilities

Hubble is equipped with a 2.4-meter (96-inch) primary mirror and several advanced instruments, including wide field and planetary cameras, spectrographs, and photometers. These tools allow for detailed studies of interstellar medium flow, star formation, globular clusters, white dwarfs, novae, supernovae, black holes, galaxies, and quasars 345.

Early Challenges and Solutions

Shortly after launch, Hubble's primary mirror was found to have a spherical aberration due to improper grinding, resulting in blurred images. Additional issues were identified with the solar arrays, guidance, and telemetry systems. To address these problems, a major servicing mission was planned and executed in December 1993. Astronauts aboard the Space Shuttle Endeavour replaced malfunctioning equipment, installed corrective optics, and upgraded several systems, restoring Hubble's intended capabilities 156789.

Servicing Missions and Upgrades

Hubble was designed for on-orbit servicing, allowing for periodic upgrades and repairs. The first servicing mission in 1993 was critical in correcting the mirror flaw and replacing key components. Subsequent missions have further extended Hubble's operational life and scientific capabilities by installing new instruments and replacing aging hardware 568910.

Impact and Legacy

Over more than two decades, Hubble has revolutionized astronomy by providing high-resolution images and data that have led to major discoveries about the universe. Its ability to be serviced and upgraded in space has made it a model for future space observatories. The mission has also demonstrated the importance of flexibility, risk management, and international collaboration in large-scale scientific projects 5910.

Conclusion

The Hubble Space Telescope mission has transformed our understanding of the cosmos through its advanced technology, successful problem-solving, and ongoing scientific contributions. Its legacy continues to shape the future of space-based astronomy and inspire new generations of scientists and engineers 12345678+2 MORE.

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Most relevant research papers on this topic

Hubble space telescope: mission, design, problems, and solutions

The Hubble Space Telescope has helped understand the origin of the universe and the birth of stars and planets, but faced challenges due to improper grinding and other issues.

1995·

4citations

·L. Endelman

The science mission of the Hubble Space Telescope

The Hubble Space Telescope will revolutionize astronomy by providing unprecedented accuracy in looking back into the past, enabling exploration of ancient galaxy formation, black hole environments, extrasolar planetary systems, and other wonders.

1990·

4citations

·E. Chaisson et al.

Hubble Space Telescope - The mission

The Hubble Space Telescope's early observations will focus on tasks set by scientific teams, with users focusing on fine details of interstellar medium flow, star formation, and the characteristics of globular star clusters, white dwarfs, novae, supernovae, stellar black holes, and galaxies.

1990·

0citations

·E. Chaisson et al.

Hubble Space Telescope: mission, history, and systems

The Hubble Space Telescope (HST) is an orbiting astronomical observatory with a primary mirror 96 inches in diameter, and various cameras and instruments for astronomical research.

1991·

9citations

·L. Endelman

Experience with the Hubble Space Telescope: 20 years of an archetype

The Hubble Space Telescope has provided valuable scientific data for over two decades, with its optical quality, pointing/jitter performance, and radiation damage mitigation being key factors in its success.

2012·

58citations

·M. Lallo

The Hubble Space Telescope Servicing Mission

The Hubble Space Telescope Servicing Mission, planned for 1993, aims to restore telescope and spacecraft capabilities, while maintaining flexibility for future changes in performance.

1992·

4citations

·A. Boggess

Space Shuttle Mission STS-61: Hubble Space Telescope servicing mission-01

The STS-61 mission will replace the Hubble Space Telescope's solar arrays, improve telescope reliability, and validate the on-orbit servicing concept.

2019·

0citations

·Nasa

Making the Hubble Space Telescope servicing mission safe

The Hubble Space Telescope servicing mission is conducted safely through a combination of hazard analysis, fault tree analysis, and failure modes and effects analysis.

1992·

1citation

·N. Bahr et al.

The Decision to Cancel the Hubble Space Telescope Servicing Mission 4 (SM4) and Its Reversal

The decision to cancel the Hubble Space Telescope Servicing Mission 4 (SM4) in 2004 led to strong reactions from Congress, the HST science community, and the general public, potentially leaving the telescope inoperable by 2007, before its full lifetime and the launch of the James Webb Space Telescope.

2020·

3citations

·S. Dick

Servicing Mission 4 and the Extraordinary Science of the Hubble Space Telescope

The Hubble Space Telescope, refurbished after its final Space Shuttle mission, is revealing new insights into the cosmic web, dark matter, dark energy, and exoplanet atmospheres.

2012·

0citations

·J. Wiseman

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