Farewell To Nasa’s First Planet Hunter – Kepler space telescope

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Kepler space telescope

The NASA Kepler Space Telescope, which discovered thousands of planets outside our solar system and revealed that our galaxy contains more planets than stars, received its last set of commands to disconnect communications with Earth.

With the “final good night” message completes the retirement of the NASA Kepler Space Telescope. On Thursday night (November 15), Kepler received its latest set of orders to disconnect communications with Earth, the US space agency said in a statement on Friday.

His retirement began on October 30, when NASA announced that Kepler was running out of fuel and could no longer conduct scientific research.

Good Night Kepler, Thanks for helping all these days

Kepler’s “good night” Coincidentally matching with the 388th anniversary date, the German astronomer Johannes Kepler kept the name, who discovered the laws of the planetary movement and died on November 15, 1630.

“Thanks to its study, we discovered that there were more planets than stars in our galaxy.”

Know about Kepler space telescope from NASA


The Kepler Space Telescope is now drifting in a safe orbit around the Sun, 94 million kilometers from Earth. This has had a profound impact on humanity’s understanding of the number of worlds that exist beyond our solar system.

Launched on March 6, 2009, the Kepler telescope combined the latest stellar techniques with the largest digital camera equipped for space observations at that time.




Kepler made the first reconnaissance of the planets of our galaxy and it became the first mission of the NASA in detecting planets the size of a earth, in a celestial part of the sky from the constellation of the Swan. The earth in the habitable zones of its stars. .

NASA Tweeted today as

Nasa s first planet hunter Kepler space telescope twitter

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Kepler’s contribution to science


During the 9.6 years spent in space, the Kepler spacecraft conducted two missions, observed 5,30,506 stars, discovered 2,662 planets, documented 61 supernovae and helped scientists collect 678 GB of scientific data. NASA has listed the main scientific results of the Kepler mission, namely:

Planets outnumber stars

Kepler has shown that there are more planets than stars in our galaxy, knowing that this revolutionizes our understanding of our place in the cosmos.

Small planets are common

Kepler showed us that our galaxy is full of worlds the size of the Earth, and many of them can be similar to Earth in size and distance from their progenitor stars.

The most recent analysis of Kepler’s findings concludes that between 20 and 50% of stars in the sky are likely to have small, possibly rocky planets located in the habitable areas of their stars where liquid water could accumulate on the surface. We still have a lot to learn to know if any of them could welcome life.

The planets are diverse

Kepler discovered a variety of planetary types, opening our eyes to new possibilities. There is no common size planet in our solar system as discovered by solar system, a world between the size of Earth and Neptune, and we have much to learn about these planets.

Solar systems are also diverse

While our inner solar system has four planets, Kepler discovered systems with many more planets, up to eight, in orbit near their progenitor stars.

The existence of these compact systems raises questions about the formation of solar systems: are these planets “born” near their parent star or do they form beyond and migrate?

New ideas revealed about the stars

In addition to embarking on the golden age of exoplanets, Kepler has relaunched the study of the stars. Kepler has seen more than half a million stars in his nine years of operations.

TESS, the successor of the first planetary hunter, Kepler’s most advanced successor, Transiting Exoplanet Survey Satellite (TESS), was launched in April.

Finally say good bye to Kepler space telescope! RIP