Business Standard

Nokia to provide 4G network on Moon: Why it is bad news for radio astronomy

Radio frequency interference (RFI) is the long-term nemesis of radio astronomers. Jodrell Bank - the earliest radio astronomy observatory in the world still in existence - was created because of RFI


Astronomers have had to deal with satellites for a long time, but Starlink’s numbers and brightness are unprecedented and and their orbits are difficult to predict.

Emma Alexander | The Conversation
As you drive down the road leading to Jodrell Bank Observatory, a sign asks visitors to turn off their mobile phones, stating that the Lovell telescope is so powerful it could detect a phone signal on Mars.
Radio telescopes are designed to be incredibly sensitive. To quote the legendary astronomer Carl Sagan, “The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is less than the energy of a single snowflake striking the ground.”
The total energy now is probably a few snowflakes’ worth, but nevertheless it is

Don't miss the most important news and views of the day. Get them on our Telegram channel

First Published: Oct 26 2020 | 11:38 AM IST

Explore News

To read the full story, subscribe to BS Premium now, at just Rs 249/ month.

Key stories on are available only to BS Premium subscribers.

Register to