Astronomers are hoping that countries and companies who are involved in sending communication satellites into space will voluntarily commit to reduced night sky pollution.
There are fears that communication satellites could hamper efforts to study the sky.
The International Astronomical Union says they’ve been trying to get attention on the issue.
These are some of the policy issues under discussion in the science world as part of the G20 summit.
The science world is advancing fast with the latest discoveries changing the landscape for how the world operates.
South Africa says the commitments made at the G20 Science meeting are encouraging.
–SABC–
