Converse of object

• go: Why should we care that 50 billion light years away, a star has just gone supernova?

• become: If the star's iron core is massive enough then it will collapse and become a supernova.

• see: Ophiucus is the site of the last supernova seen in our own galaxy in 1604.

Adjective modifier

• distant: Examples might include distant supernova or gamma ray bursts.

• nearby: Two of the best candidates are a shock wave from a nearby supernova or from the passage through a spiral arm.

• bright: It was the brightest supernova visible from Earth since the 1054 observation of the birth of the Crab.

• possible: January 29 4pm: just submitted the proposal for global VLBI on this possible radio supernova... Groovy.

Modifies a noun

• remnant: The Crab Nebula is an example of a supernova remnant.

• explosion: The kinetic energy released by supernova explosions is more than enough to account for the Galactic cosmic rays up to 10 15 eV.

• shock: Most of these high energy nuclei are thought to be hurled at us by supernova shock fronts, perhaps from collisions with dust grains.

• wave: These leftovers from the star's old age have been subsequently run over and lit up by the supernova blast wave.

• progenitor: Yet very little is known about supernova progenitor stars.

Noun used with modifier

• champagne: No that's Keanu Reeves I think Emma's question is: Is there really a champagne supernova in the sky?

• radio: January 29 4pm: just submitted the proposal for global VLBI on this possible radio supernova... Groovy.

• type: A type I supernova occurred in it in 1971.