Meteors and early radio astronomy
Bernard Lovell arrived at Jodrell Bank in December 1945 intending to investigate cosmic rays with radar. The unexpected echoes came from ionised trails left by meteors. Work in 1946 and 1947 turned those signals into a sustained programme of meteor research.
This was an early demonstration of how radar equipment developed for wartime use could become a scientific instrument. It also helped set the direction of the experimental station towards radio astronomy. Jodrell Bank's archived meteor detector account describes the original method and its later use.
Tracking the Sputnik launch rocket
In October 1957, the newly completed Mark I Telescope tracked the third stage of the rocket that carried Sputnik 1 into orbit. The observation came within days of the telescope becoming operational.
The event demonstrated the value of a large, steerable radio dish for following objects beyond Earth as well as studying natural radio sources. It is important to distinguish the rocket stage that Jodrell Bank tracked from the Sputnik 1 satellite itself.
The first identified gravitational lens
A radio-source survey made with the Mark I telescope led to the study of the object known as Q0957+561. In 1979, optical follow-up by a team led by Jodrell Bank astronomer Dennis Walsh showed two quasar images with matching properties.
The pair was identified as two images of one distant quasar, produced when the gravity of foreground matter bent its light. It became the first known gravitational-lens system. Jodrell Bank's gravitational-lens history records the discovery and its interpretation.
A pulsar in a globular cluster
The observatory's milestone record dates the Mark IA telescope's discovery of the first pulsar known in a globular cluster to 1986. The peer-reviewed report, published in July 1987, identifies the cluster as M28. Pulsars are rapidly rotating neutron stars whose beams of radio emission can be detected as regular pulses.
Finding one in a dense cluster of stars opened a new setting in which astronomers could study how pulsars form and evolve. The achievement is recorded in the observatory's official scientific milestones and the original Nature paper.
Pulsars as tests of gravity
Jodrell Bank's pulsar work has continued through international collaborations. Manchester researchers participated in the study of PSR J0737−3039A/B, the Double Pulsar: the only known system in which both neutron stars have been detected as radio pulsars.
Long-running observations of the system have enabled exceptionally precise measurements of relativistic effects and strong-field tests of gravity. The 2021 peer-reviewed study Strong-Field Gravity Tests with the Double Pulsar sets out the international collaboration and results.
These five examples are a selected account rather than a complete discovery catalogue. The history places them in chronological context, while the Observatory guide explains the instruments and network behind current work.
The science articleconnects this record to Jodrell Bank's continuing research capability. To understand how that work connects to the present operating context, continue to Funding explained.