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Epic exoplanet 65 EP

WASP-76 b

RA 26.6329° · Dec 2.7004° · exoplanet

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Score breakdown

· 6 badges
65 pts · Epic
Epic 68 pts → Anomaly
  • Ultra-hot Jupiter +26
  • Puffy low-density world +12
  • Hot Jupiter +10
  • Blasted by starlight +8
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 65

3 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Hot Jupiter · +10
  • Ultra-hot Jupiter · +26
  • Puffy low-density world · +12
  • Blasted by starlight · +8

Trivia

What makes it special

  • Ultra-hot Jupiter. So hot that iron vaporises and rains back down as molten metal.
  • Cotton-candy planet. So low-density it would float on water.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Getting there

  • Aboard Voyager 1. ≈ 11.1 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 990.3 thousand years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 6342 years in a starship at a tenth of light speed.
  • Distance. 634 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 1392.

Saying hello

  • Say hello. A radio message and its reply would take 1268 years round-trip.

Standing on it

  • A year here. A full year lasts just 1.8 Earth days.

By the numbers

  • Size. About 20.8× the width of Earth.
  • Volume. About 8975 Earths could fit inside it.
  • Mass. Roughly 284× Earth's mass — about 0.9 Jupiters.
  • Your weight. You'd weigh about 0.7× your Earth weight standing here.
  • Density. Less dense than water — drop it in a big enough ocean and it would float.
  • Temperature. Around 2228 K — hot enough to vaporise iron.

How we found it

  • Discovery. Found by SuperWASP using the transit method.

Properties

density gcc
0.17
discovery facility
SuperWASP
discovery method
Transit
dist ly
634.2397
eccentricity
0
eq temp k
2228
insolation
4104
mass earth
284.1386
name
WASP-76 b
orbital period days
1.8099
radius earth
20.7815
sys num planets
1

About WASP-76 b

WASP-76 b is an epic exoplanet. It lies about 634.2 light-years from Earth, has an equilibrium temperature near 2,228 K, spans roughly 20.78 Earth radii and weighs about 284.14 Earth masses.

So hot that iron vaporises and rains back down as molten metal.

How to see it

Like any astronomical target, WASP-76 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-76 b is an epic exoplanet

WASP-76 b scores 65 points on Spacedle's rarity scale, which places it in the epic tier. Another 3 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Gas giant, Hot Jupiter, Ultra-hot Jupiter, Puffy low-density world and Blasted by starlight — 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.

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Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.