![The Van Allen Probes Transformed Everything We Know About Earth's Radiation Belts. What's Next? | Johns Hopkins University Applied Physics Laboratory The Van Allen Probes Transformed Everything We Know About Earth's Radiation Belts. What's Next? | Johns Hopkins University Applied Physics Laboratory](https://www.jhuapl.edu/sites/default/files/2023-01/20210831_image1_lg.jpg)
The Van Allen Probes Transformed Everything We Know About Earth's Radiation Belts. What's Next? | Johns Hopkins University Applied Physics Laboratory
![Where ARE Voyager 1 and 2? As NASA detects a 'heartbeat' from humanity's second most distant probe, MailOnline looks at how far the spacecraft and its twin have travelled since 1977 | Daily Mail Online Where ARE Voyager 1 and 2? As NASA detects a 'heartbeat' from humanity's second most distant probe, MailOnline looks at how far the spacecraft and its twin have travelled since 1977 | Daily Mail Online](https://i.dailymail.co.uk/1s/2023/08/02/14/73882977-12364473-image-a-2_1690983032606.jpg)
Where ARE Voyager 1 and 2? As NASA detects a 'heartbeat' from humanity's second most distant probe, MailOnline looks at how far the spacecraft and its twin have travelled since 1977 | Daily Mail Online
![The Voyager spacecraft: 40 years in space, surreal solar system discoveries | CU Boulder Today | University of Colorado Boulder The Voyager spacecraft: 40 years in space, surreal solar system discoveries | CU Boulder Today | University of Colorado Boulder](https://www.colorado.edu/today/sites/default/files/styles/advanced_article_hero/public/voyager_copy.jpg?itok=B5MXW9oB)
The Voyager spacecraft: 40 years in space, surreal solar system discoveries | CU Boulder Today | University of Colorado Boulder
![If we sent a probe towards the centre of the Galaxy, how far could it get bef it got overtaken by a faster probe that was sent out later. And so on? - If we sent a probe towards the centre of the Galaxy, how far could it get bef it got overtaken by a faster probe that was sent out later. And so on? -](https://qph.cf2.quoracdn.net/main-qimg-e9233cabbe466e010f7c3db60ecfab90.webp)