Geography ยท Physics

Geodesy and Celestial Mechanics

1,049 Questions

Geodesy and celestial mechanics questions explore Earth measurements, great circles, and planetary motions. These concepts form a crucial part of physical geography and astronomy in competitive exams. Practice these questions to grasp longitudinal and latitudinal calculations.

Longitude and latitude calculationsGreat circle conceptEarths axial precessionLagrangian pointsAtmosphere boundary

Geodesy and Celestial Mechanics Questions

Multiple choice

What is the term for the angle between the ascending node and the vernal equinox?

  1. Longitude of the Ascending Node

  2. Argument of Perihelion

  3. Inclination

  4. Eccentricity
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The longitude of the ascending node is the angle between the ascending node and the vernal equinox.

Multiple choice

What is the term for the point in a planet's orbit where it crosses the celestial equator moving from south to north?

  1. Ascending Node

  2. Descending Node

  3. Perihelion

  4. Aphelion
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The ascending node is the point in a planet's orbit where it crosses the celestial equator moving from south to north.

Multiple choice

What is the term for the angle between the ascending node and the perihelion?

  1. Longitude of the Ascending Node

  2. Argument of Perihelion

  3. Inclination

  4. Eccentricity
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The argument of perihelion is the angle between the ascending node and the perihelion.

Multiple choice

What is the formula for calculating the Mars' position in a horoscope?

  1. Mars' position = Ascendant + Longitude of Mars

  2. Mars' position = Ascendant - Longitude of Mars

  3. Mars' position = Ascendant * Longitude of Mars

  4. Mars' position = Ascendant / Longitude of Mars
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Mars' position in a horoscope is calculated by adding the Ascendant and the Longitude of the Mars.

Multiple choice

What is the formula for calculating the Jupiter's position in a horoscope?

  1. Jupiter's position = Ascendant + Longitude of Jupiter

  2. Jupiter's position = Ascendant - Longitude of Jupiter

  3. Jupiter's position = Ascendant * Longitude of Jupiter

  4. Jupiter's position = Ascendant / Longitude of Jupiter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Jupiter's position in a horoscope is calculated by adding the Ascendant and the Longitude of the Jupiter.

Multiple choice

What is the formula for calculating the Venus' position in a horoscope?

  1. Venus' position = Ascendant + Longitude of Venus

  2. Venus' position = Ascendant - Longitude of Venus

  3. Venus' position = Ascendant * Longitude of Venus

  4. Venus' position = Ascendant / Longitude of Venus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Venus' position in a horoscope is calculated by adding the Ascendant and the Longitude of the Venus.

Multiple choice

What is the formula for calculating the Ketu's position in a horoscope?

  1. Ketu's position = Ascendant + Longitude of Ketu

  2. Ketu's position = Ascendant - Longitude of Ketu

  3. Ketu's position = Ascendant * Longitude of Ketu

  4. Ketu's position = Ascendant / Longitude of Ketu
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Ketu's position in a horoscope is calculated by adding the Ascendant and the Longitude of the Ketu.

Multiple choice

What is the formula for calculating the Ascendant in a horoscope?

  1. Ascendant = Longitude of Sun - Longitude of Moon

  2. Ascendant = Longitude of Sun + Longitude of Moon

  3. Ascendant = Longitude of Sun * Longitude of Moon

  4. Ascendant = Longitude of Sun / Longitude of Moon
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Ascendant in a horoscope is calculated by subtracting the Longitude of the Moon from the Longitude of the Sun.

Multiple choice

What is the formula for calculating the Imum Coeli in a horoscope?

  1. Imum Coeli = Ascendant - 90 degrees

  2. Imum Coeli = Ascendant + 90 degrees

  3. Imum Coeli = Ascendant * 90 degrees

  4. Imum Coeli = Ascendant / 90 degrees
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Imum Coeli in a horoscope is calculated by subtracting 90 degrees from the Ascendant.

Multiple choice

What is the formula for calculating the Descendant in a horoscope?

  1. Descendant = Ascendant + 180 degrees

  2. Descendant = Ascendant - 180 degrees

  3. Descendant = Ascendant * 180 degrees

  4. Descendant = Ascendant / 180 degrees
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Descendant in a horoscope is calculated by adding 180 degrees to the Ascendant.

Multiple choice

What is the formula for calculating the North Node in a horoscope?

  1. North Node = Ascendant + 270 degrees

  2. North Node = Ascendant - 270 degrees

  3. North Node = Ascendant * 270 degrees

  4. North Node = Ascendant / 270 degrees
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The North Node in a horoscope is calculated by adding 270 degrees to the Ascendant.

Multiple choice

What is the formula for calculating the South Node in a horoscope?

  1. South Node = Ascendant - 270 degrees

  2. South Node = Ascendant + 270 degrees

  3. South Node = Ascendant * 270 degrees

  4. South Node = Ascendant / 270 degrees
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The South Node in a horoscope is calculated by subtracting 270 degrees from the Ascendant.

Multiple choice

What was the distance to the Andromeda Nebula that Chandrasekhar measured?

  1. 1 million light-years

  2. 2 million light-years

  3. 3 million light-years

  4. 4 million light-years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chandrasekhar measured the distance to the Andromeda Nebula to be 2 million light-years.

Multiple choice

What is the period of the nutation of the Earth's axis?

  1. 18.6 years

  2. 23.5 degrees

  3. 27.3 days

  4. 365.25 days
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The period of the nutation of the Earth's axis is approximately 18.6 years.

Multiple choice

What is the amplitude of the nutation of the Earth's axis?

  1. 9.2 arcseconds

  2. 18.5 arcseconds

  3. 27.8 arcseconds

  4. 37.1 arcseconds
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The amplitude of the nutation of the Earth's axis is approximately 9.2 arcseconds.