(Photograph) - In this image the telescope was set to pick up the green emissions from iron XII ions, which are common at a temperature of 1.5 million Kelvin.
Register to continue
Why register?
- Registration is free and only takes a moment
- Once registered, you can read 3 articles a month
- Sign up for our newsletter
Subscribe
Or subscribe for unlimited access to:
- Unlimited access to news, views, insights & reviews
- Digital editions
- Digital access to THE’s university and college rankings analysis
Already registered or a current subscriber? Login