Va­lid­ity of sci­ence

The Australian - - COMMENTARY -

John Martin (Let­ters, 13/11) is cor­rect. Dark mat­ter is not an es­tab­lished fact. It is an as­sump­tion. Sci­en­tists seek va­lid­ity by em­ploy­ing a work­ing hy­poth­e­sis. Be­liefs are tested to find sup­port­ing ev­i­dence, and con­clu­sions that fail the test are dis­carded.

Sci­en­tists seek va­lid­ity. Re­li­gion as­sumes va­lid­ity in un­con­di­tional be­liefs. How­ever, Martin’s ex­am­ples are ir­rel­e­vant to the rea­son many are aban­don­ing re­li­gion. Pri­ests told me hell was in the cen­tre of the Earth. Ge­ol­o­gists showed this wasn’t true. Earth was the cen­tre of the uni­verse; Galileo showed that was wrong; the uni­verse com­prised our galaxy only. Now we know there are bil­lions. The uni­verse was sta­ble as God made it — an­other er­ror; neb­u­las are con­stantly cre­at­ing new stars as the uni­verse ex­pands. All are sci­en­tific facts. Roy Gil­bert, Perth, WA

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