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Johannes Kepler knew of six planets: Mercury, Venus, Earth, Mars, Jupiter, and Saturn.

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Q: How many planets did Kepler know about?
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What is the diameter of the planet kepler?

There are lots of planets in the Kepler series. To answer your question, we need to know to which number Kepler you are asking about.


Why are the new planets called Kepler?

Many of the planets discovered in the past few years have designations such as Kepler-22b because they were discovered using the Kepler space telescope.


How many years would it take to travel to planet Kepler?

There is no single planet named Kepler. Planets discovered by the Kepler space observatory are given designations such as Kepler-22b. Planets discovered by Kepler range from about 100 to about 7,000 light years away. Currently we do not have the ability for interstellar travel so we do not know what the travel times might be.


Is there a planet called Kepler?

No. There are, however, many planets discovered by a spacecraft called Kepler and given designations such as Kepler-69c.


How many planets do Kepler's laws work for?

All of them.


How did Kepler the planet get its name?

There is no planet named Kepler. There are, however, many planets with designations such as Kepler-22b. These planets are named as such because they were discovered using the Kepler spacecraft. The spacecraft is named after Johannes Kepler, a 16th-17th century astronomer who defined the laws of planetary motion.


The fact that each planets orbit is an ellipse was discovered by?

Johannes Kepler determined that all planets have elliptical orbits.


Is Kepler a planet?

No. Kepler is a telescope created to find planets orbiting other stars. Planets found using it are given designations beginning with Kepler, such as Kepler 440b.


Did Johannes Kepler discover Kepler planets?

No, Johannes Kepler is best known for describing the laws that dictate how orbits work. The Kepler planets were discovered by the Kepler telescope, a spacecraft named in his honor.


Who discovered that planets have elliptical orbits?

Johannes Kepler proposed that these planets orbit the sun in ellipses, not circles. That is why we have Kepler's Law of Planetary Motion.


Does Planet Kepler exist?

Kepler is not a planet; it is a telescope used to find planets in other solar systems. Planets discovered by it are given names beginning with Kepler, such as Kepler-22b.


Did Kepler say that it was the pull of the suns gravity that kept the planets in orbit?

No. Kepler proposed that some force kept the planets in orbit, but did not know or say what that force was. It was Isaac Newton who figured out that this force is gravity.