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Epic exoplanet 50 EP

Kepler-65 b

RA 288.6887° · Dec 41.1511° · exoplanet

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Score breakdown

· 7 badges
50 pts · Epic
Epic 78 pts → Anomaly
  • Lava world +14
  • Tidally locked +10
  • Super-Earth +8
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Blasted by starlight +4
  • Found by Kepler +3
Total score 50

28 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Super-Earth · +8
  • Lava world · +14
  • Tidally locked · +10
  • Multi-planet system · +6
  • Blasted by starlight · +4
  • Found by Kepler · +3

Trivia

What makes it special

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

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. Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.
  • Crowded system. One of at least 4 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 10.9 you'll want a small backyard telescope.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Properties

density gcc
4.4
diameter km
18113.804
discovery facility
Kepler
discovery method
Transit
discovery year
2012
dist ly
990.6271
eccentricity
0.028
eq temp k
1740
host star teff
6211
inclination
92.2
insolation
2316.095
mag
10.922
mass earth
2.4
name
Kepler-65 b
orbital period days
2.1549
radius earth
1.42
semi major au
0.035
sys num planets
4
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About Kepler-65 b

Kepler-65 b is an epic exoplanet. It lies about 990.6 light-years from Earth, shines at apparent magnitude 10.92, has an equilibrium temperature near 1,740 K and spans roughly 1.42 Earth radii.

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

How to see it

At apparent magnitude 10.92, a small backyard telescope will bring it into view.

Like any astronomical target, Kepler-65 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 Kepler-65 b is an epic exoplanet

Kepler-65 b scores 50 points on Spacedle's rarity scale, which places it in the epic tier. Another 28 points would lift it into a rarer tier.

That score comes from 7 science badges — Confirmed exoplanet, Super-Earth, Lava world, Tidally locked, Multi-planet system, Blasted by starlight and Found by Kepler — 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.