The Moon is also on the level with the heavenly planets, and only persons who have performed virtues only — performing sacrifices, giving charity and undergoing severe austerities — can be allowed to enter into the heavenly planets after the duration of life of the body. Arjuna was allowed to enter into the heavenly planets in the selfsame body simply by the grace of the Lord, otherwise it is not possible to do so. The present attempts to enter into the heavenly planets by the modern scientists will certainly prove futile because such scientists are not on the level of Arjuna. They are ordinary human beings, without any assets of sacrifice, charity or austerities.

Srimad Bhagavatam, Bhaktivedanta Book Trust, 1999. Canto 1, Chapter 15, verse 12, purport. Vedabase - Quotes from Books - Quotes from Books: Regression of Science