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Epic exoplanet 67 EP

WASP-94 A b

RA 313.7832° · Dec -34.1358° · exoplanet

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Score breakdown

· 8 badges
67 pts · Epic
Epic 78 pts → Anomaly
  • Lava world +14
  • Puffy low-density world +12
  • Two suns in its sky +12
  • Tidally locked +10
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Gas giant +4
  • Blasted by starlight +4
Total score 67

11 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Lava world · +14
  • Tidally locked · +10
  • Puffy low-density world · +12
  • Multi-planet system · +6
  • Blasted by starlight · +4
  • Two suns in its sky · +12

Trivia

What makes it special

  • Lava world. Its surface is almost certainly an ocean of molten rock, kept liquid by the star it hugs.

Hard to believe

  • It would float. It is less dense than water. Drop it in a big enough ocean and the whole world would bob on the surface.

What it actually is

  • Hugging its star. It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.
  • What it is made of. Lighter than Neptune — a puffed-up ball of hydrogen and helium with no surface anywhere on it to stand on.
  • Crowded system. One of at least 2 planets orbiting its star.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 10.1 you'll want a small backyard telescope.
  • Southern sky. It rides the southern half of the sky — an easier target the further south you are.

Properties

density gcc
0.118
diameter km
225915.1084
discovery facility
SuperWASP
discovery method
Transit
discovery year
2014
dist ly
688.8773
eccentricity
0
eq temp k
1604
host star teff
6170
inclination
88.7
insolation
1009.38
mag
10.051
mass earth
158.915
multi star system
yes
name
WASP-94 A b
orbital period days
3.9502
radius earth
17.7102
semi major au
0.055
spect
F8
sys num planets
2
sys num stars
2
tidally locked
yes
tidally locked inferred
yes

About WASP-94 A b

WASP-94 A b is an epic exoplanet. It lies about 688.9 light-years from Earth, shines at apparent magnitude 10.05, has spectral type F8 and has an equilibrium temperature near 1,604 K.

Its surface is almost certainly an ocean of molten rock, kept liquid by the star it hugs.

How to see it

At apparent magnitude 10.05, a small backyard telescope will bring it into view.

Like any astronomical target, WASP-94 A b is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why WASP-94 A b is an epic exoplanet

WASP-94 A b scores 67 points on Spacedle's rarity scale, which places it in the epic tier. Another 11 points would lift it into a rarer tier.

That score comes from 8 science badges — Confirmed exoplanet, Gas giant, Lava world, Tidally locked, Puffy low-density world, Multi-planet system, Blasted by starlight and Two suns in its sky — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.