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Презентация, доклад по астрономии (физике) на тему Законы Кеплера на английском языке
Содержание
- 1. Презентация по астрономии (физике) на тему Законы Кеплера на английском языке
- 2. Tycho Brahe1546 –1601Danish astronomerJohannes Kepler1571 – 1630German mathematician, astronomer, and astrologer
- 3. Kepler's first law The law of Orbits
- 4. Drawing an ellipse
- 5. Orbit Eccentricity The eccentricity of an
- 6. Examples of Ellipse EccentricityMars 0.093
- 7. Astronomical unitis unit of lengthis equal the
- 8. Parsec
- 9. Kepler's second law The Law of
- 10. Kepler's third law The Law of
- 11. The square of the period of any
- 12. Data: Law of Periods
- 13. The square of the period of any
Tycho Brahe1546 –1601Danish astronomerJohannes Kepler1571 – 1630German mathematician, astronomer, and astrologer
Слайд 2Tycho Brahe
1546 –1601
Danish astronomer
Johannes Kepler
1571 – 1630
German mathematician, astronomer, and astrologer
Слайд 3Kepler's first law
The law of Orbits (of Ellipses)
The path of the
planets about the sun is elliptical in shape, with the center of the sun being located at one focus
Слайд 5
Orbit Eccentricity
The eccentricity of an ellipse is the ratio of the
distance
between the foci to the major axis of the ellipse.
The eccentricity is zero for a circle.
The eccentricity is zero for a circle.
Слайд 7Astronomical unit
is unit of length
is equal the average distance from Earth to the Sun
is
used primarily for measuring distances within the Solar System
Is a fundamental component in the definition of another unit of astronomical length, the parsec (pc)
Is a fundamental component in the definition of another unit of astronomical length, the parsec (pc)
1 au = 149597870700 m ≈ 150 000 000 km
1 au = 4.8481×10−6 pc
1 au = 1.5813×10−5 ly
Слайд 9Kepler's second law
The Law of Equal Areas
An imaginary line drawn
from the center of the sun to the center of the planet will sweep out equal areas in equal intervals of time
Слайд 10Kepler's third law
The Law of Periods (of Harmonies)
The ratio of
the squares of the periods of any two planets is equal to the ratio of the cubes of their average distances from the sun
Every planet has the same T2/R3 ratio
Слайд 11The square of the period of any planet is proportional to
the cube of the semimajor axis of its orbit.
Слайд 13The square of the period of any planet is proportional to
the cube of the semimajor axis of its orbit.
