HI ALL, I am quite aware that it is complicated to even comprehend this answer.

PLEASE NOTE THAT THIS IS NOT MY OPINION. I HAVE ONLY QUOTED FROM OTHER SOURCES AND MENTIONED THE SOURCES BELOW:

But, when we observe the systematic way the information has been mentioned in HINDU MYTHOLOGY and Scriptures, it sounds worth making an attempt to understand it and see whether there is anything more than what meets the eyes.

Let me first provide you with some background information to understand my answer.

It is written in Indian scriptures that once the universe has been created by Lord God, to assist evolve three major types of SOULS, it keeps running in cycles for billions of years till the final destruction of the entire cosmos only to be recreated after an equal recess of time for which it existed.

IT IS QUITE NOTEWORTHY THAT, SOME DESCRIPTIONS ARE MATHEMATICALLY QUITE SOUND IN VEDIC SCRIPTURES JUST AS EVEN THE HANUMAN CHALISA GIVING EXACT DISTANCE OF SON FORM THE EARTH.

FOLLOWING INFORMATION TAKEN FROM : Age of Universe according to Vedas

As per Big Bang theory the current age of universe is 11-20 billion years. However, when we have new observations on clusters of galaxies, super-clusters, Great Wall (Tully's complexes), it is quite clear that our universe is much much older than that.

Many cosmologist believe that big-bang theory is incorrect although it is most widely accepted.

In short, modern science is not fully aware of all the forces needed to explain the creation of universe.

As per vedic science :

====== INFO FROM THE HINDU WEBSITE HERE========

a. Total age of universe is 311.04 trillion years (human years).

b. Current age is around 155.521972944 trillion years.

How it is calculated:

-> There are 4 ages on earth which keeps circulating:

Satya Yuga - 1.728 million years

Treta Yuga - 1.296 million years

Dwapara Yuga - 0.864 million years

Kali Yuga - 0.432 million years

Total: 4.32 million human years.

-> This yuga cycle is called maha (in english, it means great/big) or divya (divine) yuga. One thousand such cycles forms one day of Brahma (a demigod in hindu religion which governs the universe). So one day of Brahma is 4.32 million * 1000 = 4.32 billion human years. Each such day of Brahma is called a "kalpa". His night also constitutes 4.32 billion human years. During his day, life exists in universe. In nighttime, no form of life exists. So one complete day and night has 8.64 billion human years.

-> Age of Brahma is 100 years. Each year of Brahma has 360 days and same number of nights. Thus, total age of Brahma is 360 * 100 * 8.64 billion = 311,040 billion human years. i.e. 311.04 trillion years. This period is called "maha kalpa".

-> The life span of the universe is one "maha kalpa". i.e. 311.04 trillion human years. This time span is also the duration of one breath of "Vishnu" (the ultimate god in hindu religion). When he exhales, thousands of universes emerges and one "Brahma" is born in each universe. When "Vishnu" inhales, all universes get sucked and Brahma dies.

-> This cycle is non-ending and eternal. Thats why "Vishnu" is considered eternal in Vedic Science (or religion).

How much old is our universe:

-> Note that the period of Satya Yuga is 0.4x, Treta Yuga is 0.3x, Dwapara Yuga is 0.2x and Kali Yuga is 0.1x where x is the time-span of one maha-yuga cycle. I will use 'x' as 1 maha-yuga cycle subsequently.

-> In 1 day of Brahma, there are 14 "manvantara". Each "manvantara" is divided into 71 "maha-yuga" cycles. So total make 14*71 = 994x (mahayuga cycles).

-> Remaining cycles (1 day of Brahma contains 1000 maha-yuga cycles) are used to fill gaps between manvantara. Before and after each manvantara (called as "sandhya" and "sandhyamsa" respectively), there is a junction of 1.728 million (age of Satya Yuga, or 0.4x) human years. Total number of junctions are 15 (since there are 14 manvantaras). So total gap period is = 0.4 * 15 = 6x. Hence total makes 1000 maha-yuga cycles or Brahma's 1 day.

-> According to the Vedic texts, current age of Brahma is 50 Brahma years and 1 brahma day (we are in the 1st day of 2nd half of brahma)and we are in the seventh "manvantara", in the 28th turnover of its 71 yuga cycles. In this cycle, we are in the start Kali Yuga. Age of kali yuga is not known perfectly but it is around 5000-10000 years. For calculation, lets assume 8000 human years.

-> So current age of our universe (in terms of maha-yuga cycles) =

(50 * 720 * 1000) -- 50 years * (360 days + 360 nights) * total no. of cycles in one day/night

+ (6 * 71) -- 6 manvantara each of 71 maha-yuga cycle

+ (7 * 0.4) -- 7 junctions or gaps for 6 manvantara

+ (27 * 1) -- we are in 28th cycle of 71

+ (0.4+0.3+0.2) -- In this cycle, we are in Kali Yuga. Satya Yuga, Treat Yuga and Dwapara yuga are 0.4x, 0.3x and 0.2x respectively

====== INFO FROM THE HINDU WEBSITE HERE========

Surprisingly, the heights, habits and environment are all known to be different for different ages scripturally. I am not sure how do we MARRY this info with REALITY.

Height of people in Satya Yuga (Era of Truth) is known to be 42 feet.

Height in Treta Yuga is supposed to be 21 feet.

So Lord Rama was said to be as tall as three coconut trees or @21 feet tall.

The average height in Dwapara Yuga is understood to be 10.5 feet.

Finally, in present Kali Yuga, it is supposed to be 5' 3″.

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Thus, the height of people thus is supposed to go on reducing by 50% each subsequent Yuga.

Also lifespan would reduce to 10% in each successive Yuga in comparison with the previous Yuga. But, this transition is gradual.

Similarly, in Satya Yugaasthigata prana (life-energy resided in bones)dharma, there were supposed to be such good rain and fertile soil that one could have six crops a year, and the life of a human could be revived using their bones, i. e. , and (100%) or righteousness was all four parts. A human lives for 1,00,000 years in this age.

It degrades in Treta Yuga(life-energy resided in blood), as there were four crops in a year, dharma was three parts (75%), and life was in the flesh. So a person could be revived if the flesh was still intact. In Rama's age man lived for 10,000 years. Dasharatha was known to have lived for 60000 years and Rama rules for 11000 years.

In Dwapara Yuga(life-energy resided in flesh), there were three crops a year, dharma was down to two parts (50%), and life of a person existed in blood. So if there was blood in the body, the person could be revived. A man was supposed to live for 1000 years in Krishna's age. By Dwapara age end, Krishna lived only for 125 years.

In Kali Yuga, there are only one or two crops per year, dharma is down to one part(25%), and life is in food - annagata prana. If there is no food, people will die. Kali Yuga has the shortest life span for man - 100 years on an average. (life-energy resides in FOOD- So, no food, no life.)

By the end of Kali Yuga, five Lakh years hence, it is believed that man's height will reduce to 2 feet and lifespan to 20 years.

But right now, there is supposed to begin an “intermittent Satya Yugaharma ” for a brief period (as there is known to be some brief bad time even in Satya Yuga) divine period with a duration of 2000 years more(some schools claim it to be 10000 years) where all the great souls are born and get liberated. Thus, the proportion of dor righteousness is going to increase and there are supposed to be divine incarnations occurring.

I have even heard from some very reliable source that Ashwathhama, the son of Dronacharya, was teased as “a short fellow"

in Mahabharata, but he was 7 feet tall.

So, comparatively we can SEE that, BHIMA WAS 11–12 FEET TALL. (as devatas -demigods- born as humans are known to be extraordinarily tall-Average Height in DWAPARA was 10.5 ft).

Mahayug consisting of four yugas -Satya, Treta, Dwapara, and Kali Yuga are known to span 4.32 million years in the ratio 4:3:2:1.

One can find the reference to all these in Indian scriptures including Uttaradimatha Panchanga Uttaradimatha- the Indian HINDU Calendar created by the famous of Karnataka, created by Lord Madhwacharya, a renowned South Indian Vaishnava Saint.

HOW TALL WAS BHIMA IN MAHABHARATA?

SHOCKING INFO !