Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Stars and solar physics

Stars and solar physics

How Betelgeuse blew its top and lost its rhythm

22 Aug 2022
Betelgeuse dimming data
Obscured by a cloud: the bottom panel shows a time series of the expected ~400-day pulsation in the brightness of Betelgeuse (blue dashes) as well as the measured brightness (orange line). The top panel shows corresponding illustrations of the ejection and the obscuring cloud. (Courtesy:NASA/ESA/Elizabeth Wheatley (STScI)
Further insights into the curious dimming of the star Betelgeuse have been unveiled by an internatio

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive

Keith Cooper is a science writer based in the UK
Read previous

Ultrasound-powered implant treats brain cancer using electromagnetic fields
Read next

Detonation nanodiamonds could deliver nanoscale thermometry inside cells

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors