Hubble Space Telescope

The Hubble Space Telescope (HST) is valuable because it provides high-quality images of celestial objects, helping scientists study the universe in unprecedented detail. It has made numerous groundbreaking discoveries and contributed significantly to our understanding of space, from determining the age of the universe to identifying new planets. Additionally, it has inspired the public and generated widespread interest in astronomy.

11,110 kilograms

(Weight while on the Earth: 24,493 pounds, about 121/4 tons)

M87 is classified as an elliptical galaxy in the Hubble classification system, denoted as "E0" for its round shape and absence of spiral arms.

They are able to see further into space now and see more detail of certain objects. Before telescopes, it was all observation astronomy. Whatever you could see with your naked eye was it. Once the telescope was invented, they were able to see more detail of our night sky. Scientists were able to identify and watch celestial objects over periods of time. watching their movements

No, the biggest telescope in the world currently is the Large Binocular Telescope. But Hubble is the biggest spacetelescope.

The Hubble Space Telescope is not affected by atmospheric distortion, providing clearer images than ground-based telescopes. Ground-based telescopes have the advantage of being easier to upgrade and maintain than a space-based telescope like the Hubble.

The Hubble Space Telescope is a space-based telescope that observes astronomical objects from low Earth orbit. It is a reflector telescope with a 2.4-meter primary mirror and it can capture images in visible, ultraviolet, and near-infrared wavelengths.

The Hubble telescope might need an extra solar panel to increase its power supply, especially if the existing panels degrade over time or if new instruments are added that require more energy. This would ensure that the telescope continues to function effectively and gather important data from space.

Hubbles top speed is 8,530 nano/m per sec which allows it to travel it the same hemisphere there astronauts put it on.

The Hubble Space Telescope was launched into orbit on April 24, 1990 by the Space Shuttle Discovery.

The slight optical defect (known as a spherical aberration, and less than 4 microns, 1/5 the thickness of a human hair) discovered in the Hubble's primary mirror after it was deployed in space, was corrected by a system known as COSTAR (Corrective Optics Space Telescope Axial Replacement). Built by Ball Aerospace, it was manufactured and tested between the Hubble's first deployment and her First Servicing Mission in 1993.

COSTAR (since replaced, as all Hubble instruments installed after the FSM have corrective optics) worked much like corrective eyeglasses, using a system of tiny mirrors to correct for the flaw. The result of COSTAR's installation (and all of us who worked on it waited with our breath held until it was operational and the first pictures were in) was nothing less than spectacular, restoring Hubble to its original design specifications.

The Hubble Telescope has made many significant discoveries, including the age of the universe, the rate of its expansion, the existence of dark energy, and vast numbers of galaxies and stars. Additionally, it has captured stunning images of celestial objects like planets, nebulae, and galaxies.

HST is always in a decaying orbit - over the years it has relied on Shuttles to boost it back into its high orbit after each Servicing Mission. The nominal orbital altitude is around 307 nautical miles, though if no other Servicing Missions are authorized, it will eventually decay in orbit and burn up in the atmosphere.

Ground-based telescopes suffer from being under the Earth's atmosphere.

Movement and different densities in the earth's atmosphere causes the light from distant stars to be randomly refracted, and this appears to ground-based observers as 'twinkling' of the stars. For telescopes, these effects cause images to be distorted and blurred, and prevent the telescope's optics from operating at their best, and from getting the best possible images of planet, nebulae and galaxies.

Although it is possible to compensate for the effects of the atmosphere with adaptive optics (literally adjusting the shape of the mirror to correct for these effects), the best way to avoid the effects of the atmosphere is not to have it there at all.

The Hubble telescope was put into orbit around the Earth so that it is permanently situated above the atmosphere, and its users never have to worry about it distorting their images - this has allowed astronomers to get the best images of, for example, the most distant galaxies ever produced.

The Hubble Space Telescope was a project led by NASA, in collaboration with the European Space Agency. Many scientists, engineers, and technicians from various countries contributed to its design, construction, and deployment. The telescope was named after astronomer Edwin Hubble and was launched into space in 1990.

The age of the universe according to the Hubble Space Telescope is estimated to be around 13.8 billion years. This estimate is based on observations of the cosmic microwave background radiation and the expansion rate of the universe.

The Hubble Space Telescope is considered advanced because it is above Earth's atmosphere, which distorts light, providing clear and detailed images of astronomical objects. It is also equipped with precise instruments that can capture light from objects millions of light-years away, enabling detailed observations in multiple wavelengths. Additionally, its design allows for regular maintenance and upgrades, keeping it at the forefront of astronomical research.

The Hubble Space Telescope has made numerous groundbreaking discoveries, including determining the rate of expansion of the universe, identifying the presence of supermassive black holes at the centers of galaxies, and capturing images of distant galaxies and nebulae. It has also played a key role in our understanding of dark matter, dark energy, and the formation of galaxies.

The HST First Servicing Mission occurred over a 10 day period on board Space Shuttle Endeavour (STS-61) in December, 1993 - all of us on the HST program held our breath as the Astronauts installed COSTAR, the corrective optical unit that compensated for the minor defect in the primary mirror (4 microns, 1/5 the thickness of a human hair).

In addition to COSTAR, the solar arrays were replaced, all 4 gyros, RIU's (Telemetry interface units), power units, magnetometers, and the HST original data tape recorder. It was replaced with a unit called the Solid State Recorder, which is the technology developed by NASA that today's SSD's and flash drives comes from.

Mission Specialists/Astronauts Story Musgrave, Kathryn Thornton, Thomas Akers, and Jeffrey Hoffman repaired HST over an 8 day mission, comprising a total of 5 spacewalks. One problem occurred when Story Musgrave tried to tighten the bolts on the main doors that open up to HST's main instrument bay - the doors wouldn't quite close shut. He eventually got them to close and bolt, but it was a tense moment.

The result was nothing short of spectacular, not to mention those of us in the program being able to breathe a sigh of relief.

HST was transported into orbit aboard Space Shuttle Discovery (mission STS-31) in April 1990. It was scheduled to be orbited earlier, but the shutdown of the Shuttle program following the Challenger accident delayed its deployment, not to mention increasing its maintenance cost because it sat on the ground (about 1 million per day). Astronauts successfully deployed and boosted HST into its orbit altitude of 569nm.

Though any of the Shuttles can perform an HST Servicing Mission, Shuttles Discovery and Endeavour are usually preferred due to their larger payload bays (we can put more stuff in it).

To date, HST has been in orbit and providing science data for over 20 years.

The Hubble telescope gathers data using its instruments, then transmits the information as radio waves to communication satellites in Earth's orbit. From there, the data is sent to ground stations on Earth, where it is received and processed by scientists.

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The Hubble Space Telescope has provided valuable insights into the age and size of the universe, discovered new galaxies, and deepened our understanding of dark matter and dark energy. It has also allowed us to study the atmospheres of exoplanets and make groundbreaking observations of distant objects in the universe.

The Hubble Space Telescope has a segmented mirror made up of smaller hexagonal mirror segments that work together to form a single large mirror. This segmented design allows for a larger aperture size than a single-piece mirror of the same size and also allows for easier maintenance and replacement of individual segments if needed.

The Hubble Space Telescope helps us by providing high-quality images of distant celestial objects, which helps astronomers study the universe in more detail. It also helps us understand the origins of the universe, track the movement of planets and other phenomena, and discover new celestial objects.