Abstract
Powerful extragalactic radio sources may all be members of a single family in which those showing superluminal behaviour are the ones in which a relativistic jet is directed towards the observer. The superluminal sources are shown to have extended radio structures the form of which is consistent with such a unified scheme. This interpretation requires that the Hubble constant H0 should be nearer to 100 than to 50 km s-1 Mpc -1. © 1982 Nature Publishing Group.
Original language | English |
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Pages (from-to) | 788-793 |
Number of pages | 5 |
Journal | Nature |
Volume | 299 |
Issue number | 5886 |
DOIs | |
Publication status | Published - 1982 |