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``hubble telescope`‌‌‌‌‌‌‍` what is it?

From the dawn of group to a mere four hundred years agone, all that we tend to knew regarding our universe came through observations with the oculus. Then uranologist turned his telescope toward the heavens in 1610. the planet was certain  associate degree wakening.



Saturn, we learned, had rings. Jupiter had moons. That nebulous patch across the middle of the sky referred to as the Milky Way Galaxy wasn't a cloud however a group of unnumbered stars. among however many years, our notion of the wildlife would be forever modified. A scientific and social group revolution quickly ensued.





Edwin Edwin Powell Hubble


The Edwin Powell Hubble house Telescope is called in honor of stargazer astrophysicist.


More on Dr. Hubble

In the centuries that followed, telescopes grew in size and complexness and, of course, power. They were placed faraway from town lights and as so much on top of the haze of the atmosphere as doable. astrophysicist, for whom the Edwin Powell Hubble Telescope is called, used the most important telescope of his day within the Nineteen Twenties at the Mt. Wilson Observatory close to Pasadena, Calif., to get galaxies on the far side our own.






Hubble, the observatory, is that the initial major astronomical telescope to be placed in house, the last word mountaintop. on top of the distortion of the atmosphere, so much so much on top of rain clouds and lightweight pollution, Edwin Powell Hubble has associate degree unimpeded read of the universe. Scientists have used Edwin Powell Hubble to look at the foremost distant stars and galaxies yet because the planets in our scheme.




Hubble's launch and preparation in Gregorian calendar month 1990 marked the foremost important advance in physics since Galileo's telescope. because of 5 sexual union missions and over twenty five years of operation, our read of the universe and our place among it's ne'er been constant.




Learn a lot of regarding the Edwin Powell Hubble story and also the telescope’s beginnings.






animation demonstrating Edwin Powell Hubble interactive timeline


Explore a number of the unforgettable moments from Hubble’s history with associate degree interactive timeline.




Hubble house Telescope Facts


NASA named the world's initial space-based astronomical telescope when yank stargazer male monarch P. Edwin Powell Hubble (1889 -- 1953). Dr. Edwin Powell Hubble confirmed associate degree "expanding" universe, that provided the muse for the big-bang theory.




Mission





Launch: Gregorian calendar month twenty four, 1990, from ballistic capsule Discovery (STS-31)

Deployment: Gregorian calendar month twenty five, 1990

First Image: could twenty, 1990: Star cluster NGC 3532

Servicing Mission one (STS-61): Gregorian calendar month 1993

Servicing Mission a pair of (STS-82): Gregorian calendar month 1997

Servicing Mission 3A (STS-103): Gregorian calendar month 1999

Servicing Mission 3B (STS-109): Gregorian calendar month 2002

Servicing Mission four (STS-125): could 2009

Size


Length: 43.5 feet (13.2 m)

Weight: At Launch: regarding twenty four,000 pounds (10,886 kg)

Post SM4: regarding twenty seven,000 pounds (12,247 kg)

Maximum Diameter: fourteen feet (4.2 m)

Spaceflight Statistics


​Low Earth Orbit: Altitude of 340 miles (295 maritime miles, or 547 km), inclined twenty eight.5 degrees to the equator

Time to complete One Orbit: regarding ninety five minutes

Speed: regarding seventeen,000 mph (27,300 kph)

Optical Capabilities


Sensitivity to Light: Ultraviolet through Infrared (115–2500 nanometers)

Hubble's Mirrors


Primary Mirror Diameter: ninety four.5 inches (2.4 m)

Primary Mirror Weight: one,825 pounds (828 kg)

Secondary Mirror Diameter: twelve inches (0.3 m)

Secondary Mirror Weight: twenty seven.4 pounds (12.3 kg)

Pointing Accuracy





In order to require pictures of distant, faint objects, Edwin Powell Hubble should be very steady and correct. The telescope is ready to lock onto a target while not deviating over 7/1000th of associate degree second, or regarding the breadth of an individual's hair seen at a distance of one mile.


Data Statistics




Hubble transmits regarding a hundred and fifty gigabits of raw science information hebdomadally.


Power wants




Energy Source: The Sun


Mechanism: 2 25-foot star panels


Power Generation (in Sunlight): regarding five,500 watts


Power Usage (Average): regarding a pair of,100 watts


Power Storage




Batteries: six nickel-hydrogen (NiH)


Storage Capacity: capable regarding twenty two average automotive batteries


Did you recognize...


Hubble has created over one.3 million observations since its mission began in 1990.


Astronomers victimization Edwin Powell Hubble information have revealed over fifteen,000 scientific papers, creating it one among the foremost productive scientific instruments ever engineered.  Those papers are cited in different papers 738,000 times.


Hubble doesn't trip stars, planets or galaxies. It takes photos of them because it whirls around Earth at regarding seventeen,000 mph.


Hubble has circled Earth and gone over four billion miles on a circular low earth orbit presently regarding 340 miles in altitude.


Hubble has no thrusters. to alter angles, it uses Newton’s third law by spinning its wheels within the other way. It turns at regarding the speed of a moment hand on a clock, taking quarter-hour to show ninety degrees.


Hubble has the inform accuracy of .007 arcseconds, that is like having the ability to shine a shaft of light on President Roosevelt’s head on a dime regarding two hundred miles away.


Outside the haze of our atmosphere, it will see astronomical objects with associate degree angular size of zero.05 arcseconds, that is like seeing a try of fireflies in Tokyo that square measure but ten feet except for Washington, DC.


Due to the mixture of optics and sensitive detectors and with no atmosphere to interfere with the sunshine reaching it, Edwin Powell Hubble will spot an evening lightweight on the surface of the Moon from Earth.


Hubble has peered into the terribly distant past, to locations over thirteen.4 billion light-years from Earth.


Hubble generates regarding ten terabytes of latest information per annum. the whole archive is presently over a hundred and fifty TB in size.


Hubble weighed regarding twenty four,000 pounds at launch however if came to Earth these days would weigh regarding twenty seven,000 pounds — on the order of 2 grown African elephants.




Hubble is thirteen.3 meters (43.5 feet) long — the length of an outsized charabanc.

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