NASA Kepler Space Telescope has changed our understanding of planet formation and planetary systems.
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The goal of the Kepler mission is to find planets that are in the potentially habitable zone of a star: neither too hot nor cold and water can exist in liquid form.
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At least 160 billion planets revolve around stars of the Milky Way.
During 9.5 years in orbit, Kepler found more than 2,500 planets located beyond our solar system.
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Using Kepler, NASA has evidence of the existence of 219 exoplanets.
10 similar in size to Earth, and orbits potentially suitable for life.
It has been focused on the constellation Cygnus.
New data reduced the number of candidates to 4034, and 2335 are confirmed exoplanets.
21 are similar to the size of the Earth and are located in a potentially habitable zone.
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In 2011, Kepler had found the first 2 Earth-sized exoplanets.
In 2012, it found the first exosolar system of 4 planets.
In April 2013 - 3 exoplanets, comparable to Earth and in a habitable zone.
In May 2016, NASA announced that of the 1,284 discovered exoplanets, one hundred are similar to Earth, with 9 of them located in the habitable zone.
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The analysis was carried out based on 2015 data from a catalog of planet candidates from the Kepler telescope.
The first discovered exoplanet similar to Earth was Kepler-186f, named thus because it was found using Kepler.
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In 2017, Kepler found an exosolar system of 8 planets.
Theoretically habitable planets orbit approximately every third visible star.
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Kepler-1649c is similar in size to Earth and revolves around its star in the so-called habitable zone.  
The Kepler False Positive group suggested that Kepler-1649c is the most similar to Earth of all the exoplanets found.
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Of the 2,681 exoplanets discovered by Kepler during its lifespan, it is the closest in size and possibly temperature to Earth.
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In 2017, analysis of data from the Kepler orbiting telescope using a self-learning neural network revealed a rocky planet just 30% larger than Earth orbiting the star Kepler-90 in the constellation Draco.
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Warning: these questons and answers are not all representative of the way questions will be asked and answered in the pilot, because some questions are compound and some answers do not include citations.

Q: What has the Kepler Space Telescope changed?
A: our understanding planet formation and planetary systems. [b36cc4c4-9426-447b-a108-5939dd3f1a60]

Q: What is Kepler’s goal?
A: to find planets that are in the potentially habitable zone of a star [d9d4fbfc-abec-4ce7-969f-3d359a18c46a]

Q: What does a habitable zone mean?
A: neither too hot nor cold and water can exist in liquid form. [d9d4fbfc-abec-4ce7-969f-3d359a18c46a]

Q: How many planets are thought to be in the Milky Way?
A: 160 billion [80fff818-8987-4972-b5d5-0e44b62ed65e]

Q: How many years was Kepler in orbit?
A: 9.5 [80fff818-8987-4972-b5d5-0e44b62ed65e]

Q: How many planets did Kepler discover during that time?
A: 2,500 planets located beyond our solar system. [80fff818-8987-4972-b5d5-0e44b62ed65e]

Q: What constellation was Kepler focused on?
A: Cygnus [d38fcfd5-d8e3-42d4-996d-124ece9783d4]

Q: How many planet candidates did new data reduce the number to?
A: 4034 [d38fcfd5-d8e3-42d4-996d-124ece9783d4]

Q: How many are confirmed exoplanets?
A: 2335 [d38fcfd5-d8e3-42d4-996d-124ece9783d4]

Q: How many are similar to Earth in size and possible habitable zone?
A: 21 [d38fcfd5-d8e3-42d4-996d-124ece9783d4]

Q: Name some discoveries from Kepler and when they occurred:
A: 2011: Earth-sized exoplanets. In 2012, the first exosolar system of 4 planets. In April 2013 - 3 exoplanets, comparable to Earth and in a habitable zone. [80fff818-8987-4972-b5d5-0e44b62ed65e, fa197246-a977-44de-a506-60d5700acca8]A: In 2017, a rocky planet just 30% larger than Earth orbiting the star Kepler-90 in the constellation Draco. [0addb74b-1b23-4873-a586-34b88abb6756]

Q: What did NASA announce in in May 2016?
A: of the 1,284 discovered exoplanets, one hundred are similar to Earth, with 9 of them located in the habitable zone. [80fff818-8987-4972-b5d5-0e44b62ed65e, fa197246-a977-44de-a506-60d5700acca8]

Q: Provide some details about Kepler-1649c:
A: is similar in size to Earth and revolves around its star in the so-called habitable zone. [456dd264-4276-470c-aaee-3728724764bd]

Q: What did the Kepler False Positive group suggest?
A: Kepler-1649c is the most similar to Earth of all the exoplanets found. [456dd264-4276-470c-aaee-3728724764bd]