According to Chhandogya Upanishad,
अस्य लोकस्य का गतिरित्याकाश इति होवाच
सर्वाणि ह वा इमानि भूतान्याकाशादेव समुत्पद्यन्त
आकाशं प्रत्यस्तं यन्त्याकाशो ह्येवैभ्यो ज्यायानकाशः
परायणम् ॥ १.९.१॥
I-ix-1: (Salavatya) 'What is the essence of this world?' 'Akasa' said (Pravahana); 'All these beings arise from Akasa alone and are ...
How do we find the difference between Akasha and Prana ?
-- Akasha Mahabhuta is composed of many components and Prana is one of the major component of Akasha.
स इमान् प्राणान् आकाशान् अभिनिर्मन्थति। (Jaiminiya Brahamana 2.18)
Akasha is formed by the churning (Manthana) of Prana Rashmis.
Same thing is also called in Taittariya Samhita:
प्राणो वा अन्तरि...
Akasha is said be to one of the Pancha Mahabhuta and firstly created from Brahman.
Taittariya Upanishad 2.1:
ॐ ब्रह्मविदाप्नोति परम् । तदेषाऽभुक्ता ।
सत्यं ज्ञानमनन्तं ब्रह्म ।
यो वेद निहितं गुहायां परमे व्योमन् ।
सोऽश्नुते सर्वान् कामान्सह । ब्रह्मणा विपश्चितेति ॥
तस्माद्वा एतस्मादात्मन आकाशः सम्भूतः । आकाशाद्वायुः ।
वायोरग्निः । अग्नेरापः । ...
Akasha is present everywhere. It is the substratum of all other bhutas. Without the existence of space, nothing else could exist because there has to be something that will act as a base. And that something is akasha or space that pervades everything. Hence, akasha is one of the five fundamental elements. In fact it is the most important fundamental element ...
I am giving excerpts from 'The Serpent Power' by Sir John Woodroffe on the Bhutas including Akasa. Sir John compares Akasa with ether but I will remove those parts from the excerpt posted here:
The Indian theory [says] that ...scientific or ponderable matter does
not permanently exist, but says that there are certain motions or
forces (five in number)...
Is vacuum not same as Ākāśa?
No , Akasha or Space is not same as vacuum .Even from modern discoveries, its clear that empty space isn’t so empty , space is filled with invisible Dark-Matter , other low mass particles ,and background radiation.
How do Hindu scriptures define Ākāśa?
In Hinduism scriptures like Purusha Sukta from Rig-Veda and various ...
Rather than having an abstract idea about these 5 elements and in particular about the Akasha element you can also have a more direct and a "related to your own physical body" kind of concept for each of them .
Such expositions of ideas are found in the Yoga Tattva Upanishad (which is associated with the Krishna YajurVeda). Here Lord Vishnu is doing all ...