Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..309...15m&link_type=abstract
Astrophysics of Dust, ASP Conference Series, Vol. 309,Proceedings of the conference held 26-30 May, 2003 in Estes Park, Colorado
Astronomy and Astrophysics
Astrophysics
Scientific paper
This article is a personal discourse on the various aspects of dust in the universe, its so-called role. My conclusion is that dust does make a difference. It directly alters the way we view the universe. It also changes the nature of the universe that we see. Finally, it is woven into the big picture of our own place in the universe and our understanding and responses. In arriving at this conclusion I explore a range of topics: the curse of extinction, dust as a photon converter, diversity, Galactic ecology, and a cosmic bawdy house. I also reflect on dust and (in)humanity. I argue that we must advance the post-Copernican enlightenment, so that a coherent understanding of our place in the universe, the big picture, becomes widely held, to provide a basis for improving life here and now, bringing humans into harmony with one another, other living fauna and flora, and the shared environment. Countering pernicious trends to the contrary will require a social revolution to accompany the scientific, through ``ideas transfer.'' This is much more challenging than propagating technology. Astronomers, particularly those versed in the beauties and multiple dimensions of dust in the universe, have an opportunity to participate, indeed to intervene. Since ``dust is us,'' this too is a role of dust in the universe, arguably the most profound if it is accepted that continued human existence has any importance.
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