ALL ANSWERS · SPACE · DAILY No. 29 · OCTOBER 2, 2026
Size It Up Space answer: October 2
The five Space silhouettes for October 2, with the true sizes. If you have not played yet, this page is a spoiler — play these five first, then come back to argue with the numbers.
Day 29 ran from Phobos (22.16 km) to Kepler-10 (1,482,000 km). The widest gap was round 4, Phoebe against Metis, at 5.0×; the closest call was round 5, Pan against Phobos, only 1.3× apart — the kind of round that separates a 90 from a 60.
SPOILER · TODAY’S FIVE
You have not finished today’s puzzle on this device. The answers below are blurred so you can still play first.
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ROUND 1
LHS 1140 (estimated stellar diameter) vs Kepler-10 (estimated stellar diameter)
Kepler-10 · reference · 1,482,000 km LHS 1140 · true diameter · 300,400 km 4.9× shorter than Kepler-10
LHS 1140 has an estimated stellar diameter of about 300,403.3 km. This is the body’s size, not an orbital distance.
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ROUND 2
Proxima Centauri (estimated stellar diameter) vs Jupiter (mean diameter)
Jupiter · reference · 139,800 km Proxima Centauri · true diameter · 196,200 km 1.4× wider than Jupiter
Proxima Centauri has an estimated stellar diameter of about 196,187.4 km. This is the body’s size, not an orbital distance.
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ROUND 3
TRAPPIST-1 (estimated stellar diameter) vs Kepler-186 (estimated stellar diameter)
Kepler-186 · reference · 727,700 km TRAPPIST-1 · true diameter · 165,900 km 4.4× shorter than Kepler-186
TRAPPIST-1 has an estimated stellar diameter of about 165,854.9 km. This is the body’s size, not an orbital distance.
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ROUND 4
Phoebe (Saturn’s moon · mean diameter) vs Metis (Jupiter’s moon · mean diameter)
Metis · reference · 43 km Phoebe · true diameter · 213 km 5.0× wider than Metis
Phoebe, a moon of Saturn, has a mean diameter of about 213 km. This is the body’s size, not an orbital distance.
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ROUND 5
Pan (Saturn’s moon · mean diameter) vs Phobos (Mars’s moon · mean diameter)
Phobos · reference · 22.16 km Pan · true diameter · 28 km 1.3× wider than Phobos
Pan, a moon of Saturn, has a mean diameter of about 28 km. This is the body’s size, not an orbital distance.
Beat these tomorrow
Every round is worth up to 100 points: within 6% of the true size scores 100, half or double scores 45, five times off scores zero. The daily puzzle is the same five for everyone and refreshes at midnight in your time zone; if you want more than five, Size It Up Unlimited draws fresh pairs from the whole library for as long as you like.