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2016

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists have identified how many potentially habitable Earth like rocky planets from 4000 exoplanets discovered by NASA’s Kepler mission till date
A
10
B
20
C
30
D
40
Explanation: 

Detailed explanation-1: -Kepler-186f was the first Earth-size planet found within the habitable zone of its star. Kepler discovered between 2 and 12 planets that are roughly Earth-size within their stars’ habitable zones.

Detailed explanation-2: -On June 13, 2019, the official count of known exoplanets passed 4000! To celebrate, we have animated their discoveries in time and converted them into music. A circle appears at the position of each exoplanet as it is discovered with a colour that indicates which method was used to find it (see below).

Detailed explanation-3: -To date, more than 5, 000 exoplanets have been discovered and are considered “confirmed” out of the billions in our galaxy alone.

Detailed explanation-4: -These are lists of exoplanets. As of 1 January 2023, there are 5, 297 confirmed exoplanets in 3, 904 planetary systems, with 850 systems having more than one planet. Most of these were discovered by the Kepler space telescope.

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