Kepler-452b

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What is the distance of Kepler-452b from its host star?

1.04 AU

In which constellation is Kepler-452b located?

Cygnus

How many times is the mass of Kepler-452b compared to Earth's mass?

At least five times

What is Kepler-452b also known by?

Its Kepler Object of Interest designation KOI-7016.01

Is Kepler-452b entirely habitable?

Unknown, as it is receiving slightly more energy than Earth

What shape is the orbit of a planet according to Kepler's first law?

Ellipse

What did Kepler's laws replace in the heliocentric theory of Nicolaus Copernicus?

Circular orbits and epicycles

What does Kepler's second law establish about a planet's velocity?

It travels faster when closer to the Sun

What does Kepler's third law express about a planet's orbital period and the length of its orbit?

The square of the orbital period is proportional to the cube of the length of the semi-major axis

What did Kepler infer about the orbits of other bodies in the Solar System based on his calculations of the orbit of Mars?

They also have elliptical orbits

Study Notes

Kepler-452b Characteristics

  • Kepler-452b is located approximately 1,400 light-years from Earth in the constellation Cygnus.
  • Kepler-452b is about 60% larger in diameter than Earth and has a mass 5 times that of Earth.
  • Kepler-452b is also known as "Earth 2.0" due to its similarities to Earth.

Kepler's Laws

  • Kepler's first law states that the orbit of a planet is an ellipse, with the star at one of the two foci.
  • Kepler's laws replaced the circular orbits of the heliocentric theory of Nicolaus Copernicus.
  • Kepler's second law establishes that a planet's velocity is greater when it is closer to the star and slower when it is farther away.
  • Kepler's third law expresses that the square of a planet's orbital period is proportional to the cube of the length of its orbit.
  • Kepler's calculations of the orbit of Mars led him to infer that the orbits of other bodies in the Solar System are elliptical.

Note: Kepler-452b's Habitability

  • Kepler-452b is not entirely habitable, as it is a rocky planet with a surface temperature that might be too hot to support liquid water.

Test your knowledge of the exoplanet Kepler-452b with this quiz. Explore its characteristics, its potential as "Earth

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