Halcyon Days

Almost literally means the "calm before the storm", but can also be used to signify joy, tranquility, etc.

Goodbye Halcyon Days.

by Kaba April 17, 2008

Halcyon Island

A remote island full of sexy, cute and pretty ladies. A place to sit back, relax and enjoy the awesome view. Leave all your worries and stress behind. Find it on tumblr. Search for halcyon-island tumblr

A: I went for a holiday at the halcyon island.
B: Where is it located?
A: It's on tumblr. Just type this into your address bar and hit enter "halcyon-island dot tumblr dot com"

by halcyon April 18, 2013

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'_'Cheshire'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'_'Cheshire'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'_'Cheshire'"<.7.9.7.6.>

by Adujasty343 June 9, 2025

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'-'Cheshire'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'-'Cheshire'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' "'Halcyon'-'Cheshire'"<.7.9.7.6.>

by Adujasty343 June 9, 2025

Halcyonic System

Any solar system orbiting an object that was once a main sequence star, but isn't anymore (i.e. black holes, white dwarves, red giants, magnetars, pulsars, etc.).

The solar system will become a halcyonic system as the Sun dies.

by An_Idot September 21, 2024

Halcyonic Planet

Any planet in a halcyonic system (i.e. KMT-2020-BLG-0414L b, WD1054–226 b, WD 1856 b, etc.)

There are also halcyonic dwarf planets, the only example of which is WD 1145+017 b.

In 2020, we discovered the first halcyonic planet around a white dwarf.

by An_Idot September 21, 2024

<.7.9.7.6.>Jowrarah Jones' Word "'Cheshires'-Halcyon'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' Word "'Cheshires'-Halcyon'"<.7.9.7.6.>

<.7.9.7.6.>Jowrarah Jones' Word "'Cheshires'-Halcyon'"<.7.9.7.6.>

by Adujasty343 June 9, 2025