Timothy SchmidtSocial Links NavigationProfessor of Chemistry, UNSW SydneyProfessor Timothy Schmidt works in the School of Chemistry at UNSW Sydney where he is also Director of Research. He is a Chief Investigator in the ARC Centre of Excellence in Exciton Science. Latest articles by Timothy Schmidt Why are auroras different colors? By Timothy Schmidt published 13 May 24 Auroras occur when charged solar particles bash into Earth's magnetic field and funnel toward the poles. The types of atoms these particles hit determines the color of light emitted. The Sun Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1The universe's 'missing matter' may have finally been found2Experimental 'Ozempic pill' shows promise in treating type 2 diabetes3NASA rover reveals signs of crucial life-sustaining process on Mars4'Useless' female organ may actually support the ovaries, study finds5A mysterious, 100-year solar cycle may have just restarted
Why are auroras different colors? By Timothy Schmidt published 13 May 24 Auroras occur when charged solar particles bash into Earth's magnetic field and funnel toward the poles. The types of atoms these particles hit determines the color of light emitted.
