Supernova vs Blackhole - What's the difference?

supernova | blackhole |

As nouns the difference between supernova and blackhole

is that supernova is supernova while blackhole is , especially in the attributive.

As a verb blackhole is

(internet) to redirect (network traffic, etc) nowhere; to discard incoming traffic.



  • (astronomy) A star which explodes, increasing its brightness to typically a billion times that of our sun, though attenuated by the great distance from our sun. Some leave only debris (Type I); others fade to invisibility as neutron stars (Type II).
  • Derived terms

    * supernova remnant



    (too many supposedly distinct senses) (Black hole)


    (en noun)
  • , especially in the attributive.
  • (Internet) A place where traffic is silently discarded.
  • (programming) A bit bucket; a place of permanent oblivion for data.
  • (computing) DNSBL, used to block spamming IP addresses – are often called "blackhole lists"
  • (Internet) A blackhole server, a DNS server that handles reverse lookups of invalid IP ranges
  • One way of fighting spam is to use a blackhole''' list maintained on a '''blackhole server.
  • (management) A resource sink.
  • Verb

  • (internet) To redirect (network traffic, etc.) nowhere; to discard incoming traffic.
  • * 2005 , Victor Oppleman, Oliver Friedrichs, Brett Watson, Extreme exploits: advanced defenses against hardcore hacks (page 186)
  • Select a nonglobally routed prefix, such as the Test-Net (RFC 3330), to use as the next hop of any attacked prefix to be blackholed .