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
Dark matter and energy

Dark matter and energy

Dwarf galaxies appear to be missing dark-matter halos

16 Aug 2022
Galaxy in the Fornax cluster
Holding together The dwarf galaxy NGC1427A is in the Fornax galaxy cluster. Observations of the distortions of the galaxy are not in line with the presence of a dark matter halo. (Courtesy: ESO)
A study of the gravitational distortion of dwarf galaxies appears to support a theory of modified gr

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

Sam Jarman is a science writer based in the UK
Read previous

iTEARS platform diagnoses disease from patients’ tears
Read next

Vortices appear in an electron fluid

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors