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
Planetary science

Planetary science

Scientists identify a ‘sugar world’ beyond Neptune

03 Jun 2024 Margaret Harris
Composite image of Arrokoth, a lumpy object that resembles a flattened snowman, superimposed on a selection of ball-and-stick diagrams for sugar and related molecules and a photograph showing distant stars and galaxies. The image also includes a graph of Arrokoth's colour slope over time.
I spy something red: Some of the molecules found on the surface of Arrokoth, a reddish, lumpy world located in the Kuiper belt. By bombarding samples of frozen methane with simulated cosmic rays, the research team succeeded in recreating Arrokoth's unusual colour slope. (Courtesy: Chaojiang Zhang)
Now here’s a discovery that’s pretty sweet: the most distant Solar System object ever visited by

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
Margaret Harris is an online editor of Physics World
Read previous

H1dd3n variab7es: the fundamental constant on which the new Physics World podcast music is built
Read next

Silverstone racetrack hosts Institute of Physics summer festival

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors