Astronomical measurement of Celestial Earth

A)    Celestial Sphere / Cosmic Sphere: The imaginary sphere in the space surrounding our entire Solar system.

B)    Celestial Poles: If the Earth axis is extended infinitely towards North and South, it will meet the imaginary surface of the cosmic sphere at some point.

These points on the surface of cosmic sphere are known as the Celestial Poles and the extended axis becomes the imaginary axis of the celestial sphere.

C)     Celestial Equator: The projection of earth’s equator on the imaginary surface of the celestial sphere is called ‘Celestial Equator’.

Effects of Mars in different houses of Natal Chart

Mars is known for action, energy and courage. This placement in our birth chart shows where physical activity will take place and indicates the kind of things that will arouse you- how to react to violence, etc. 

War, Jealousy, Pain, Muscular Energy, Cruelty, Stubbornness and Inflammation are attribution of Mars.

It is quite common to be noted that those who are having Mars in own / exalted houses are usually very calm in appearance, control their emotions. They will show sudden bursts of anger if their situation out of control or in long irritation. Vice-versa, if Mars in debilitated / enemy house.

Effects of Mercury in different houses of natal chart

Mercury rules the conscious, reasoning mind. Mercury's house and sign placements show how the mind directs its thoughts. Mercury reflects our link of reason between the conscious and sub-conscious, between physical and spiritual.

• Mercury in first house: With this position, these people grow younger and younger as age proceeds. These have active, logical minds and very intelligent. These people are aware of everything around them. Talkative and often write a great deal. They make good physicians, writers, body-builders, secretaries and scholars.

If Mercury in Earthy signs (Taurus, Virgo, Capricorn), then makes person very great Businessman.

Counteract, if Mercury in Aries and Leo, then the person is debaucher, alcoholic & prone to bad habits.

Mercury in Scorpio makes an Occult Researcher and a Scientist, while Mercury in Pisces Ascendant reveals erotic, carnal pleasures of the native with most disturbing mind.

A.P.J Abdul Kalam - the Missile Man Life Analysis

Avul Pakir Jainulabdeen Abdul Kalam born on 15-Oct-1931 @ 06:15 A.M in Rameswaram, Tamilnadu. 

Ascendant: Libra (Chitha-3); Nakshatra: Anuradha-4; Tithi: Shukla Panchami.
His Life begins with Saturn Dasha - Jupiter Bhukti.

Abdul Kalam is gifted with powers of Hamsa yoga (with Jupiter) and Malavya yoga (with Venus) i.e 2 planets in kendra to ascendant (own/exalted) make him very intelligent, healthy, fortune, long-life and lasting fame & honor.

Mars + Venus combination in Kendra compelled him to remain Bachelor till life as Mars in lagna forms Kuja dosha with Venus as lord of 8th H.

 Exalted Jupiter in 10thH (Karma/Profession) makes him President of India (2002-2007) and won him Bharat Ratna (1997), Padma Vibhushan (1990) & Padma Bhushan (1981). Kalam's 79th birthday was recognised as World Students' Day by United Nations.

How to determine Sun's position in Horoscope?

In the horoscope, the angle of each planetary ray at birth determines the department of life it will affect. If the child is born at the noon hour when the Sun is at the Zenith, the daystar will appear in the 10th house of the horoscope and bring preferment professionally. 

If the child were born at midnight when the Sun is directly under the place of birth its influence would be through the Fourth House, and it would brighten the old age of the child then born.