Julia Riley

Julia M. Riley (née Hill) is a British astrophysicist

Personal and professional background

Riley is a Fellow of Girton College associated with the Cavendish Astrophysics Group at University of Cambridge. Her primary field of research is in the area of radio astronomy. Riley lectures and supervises physics within the Natural Sciences Tripos at the University of Cambridge. She is the daughter of British marine geophysicist Maurice Hill and granddaughter of Nobel Prize–winning physiologist Archibald Vivian Hill.

Fanaroff–Riley type I and II

In 1974, along with Fanaroff, she wrote a much-acclaimed paper classifying radio galaxies into two types based on their morphology (shape). Fanaroff and Riley's classification became known as Fanaroff–Riley type I and II of radio galaxies (FRI and FRII). In FRI sources the major part of the radio emission comes from closer to the centre of the source, whereas in FRII sources the major part of the emission comes from hotspots set away from the centre (see active galaxies).

gollark: The boost clocks are higher though, so it's probably about the same on single-core tasks.
gollark: Look at the i5-7200U vs i5-8250U. They have the same 15W TDP (not that Intel make that very meaningful) but the 7200U has half the cores and higher base clocks.
gollark: Yes. They used to have 2 cores.
gollark: If you look at the mobile lineup for 7th gen vs 8th gen, you see that 8th gen has a lot more cores and also worse clocks.
gollark: Er, not their laptops, their mobile CPUs.


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