German scientists have outlined a technique for using pulsars as an interplanetary and interstellar GPS system.
German scientists have outlined a technique for using pulsars as an interplanetary and interstellar GPS system.
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German scientists have outlined a technique for using pulsars as an interplanetary and interstellar GPS system.
Readers!
My annual February birthday fund-raising drive for Behind the Black is now over. Thank you to everyone who donated or subscribed. While not a record-setter, the donations were more than sufficient and slightly above average.
As I have said many times before, I can’t express what it means to me to get such support, especially as no one is required to pay anything to read my work. Thank you all again!
For those readers who like my work here at Behind the Black and haven't contributed so far, please consider donating or subscribing. My analysis of space, politics, and culture, taken from the perspective of an historian, is almost always on the money and ahead of the game. For example, in 2020 I correctly predicted that the COVID panic was unnecessary, that the virus was apparently simply a variation of the flu, that masks were not simply pointless but if worn incorrectly were a health threat, that the lockdowns were a disaster and did nothing to stop the spread of COVID. Every one of those 2020 conclusions has turned out right.
Your help allows me to do this kind of intelligent analysis. I take no advertising or sponsors, so my reporting isn't influenced by donations by established space or drug companies. Instead, I rely entirely on donations and subscriptions from my readers, which gives me the freedom to write what I think, unencumbered by outside influences.
You can support me either by giving a one-time contribution or a regular subscription. There are four ways of doing so:
1. Zelle: This is the only internet method that charges no fees. All you have to do is use the Zelle link at your internet bank and give my name and email address (zimmerman at nasw dot org). What you donate is what I get.
2. Patreon: Go to my website there and pick one of five monthly subscription amounts, or by making a one-time donation.
3. A Paypal Donation or subscription:
4. Donate by check, payable to Robert Zimmerman and mailed to
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Technology and real science finally catch up to science fiction again.
It would be great if they could get the whole system to work with a small array of simple cheap tiny CCD cameras and a good processor.
atomic time clock accuracy in deep space, indeed it would be a natural gps system!
Didn’t you have a recent post on the unexpected variability of some pulsars?
Yes, but the pulsars that suddenly change their rotation rate are rare, unusual, and easy to spot. The pulsars that would be used for this interstellar GPS technique are the more common variety pulsars, remarkably reliable and precise in their pulses.
Not to suggest that any pulsar is common. No matter what, these are very strange beasts in the zoo of interstellar objects out there.