The House of Astrology

500 pieces

Galison

9780735374881

Difficulty

Challenging 12% harder than average

Based on completion times relative to other puzzles with the same piece count.

Confidence

24 solves · Medium confidence

Time Prediction

~48min Range: 35min - 64min

Based on average completion times for this puzzle.

Memorability

1.3x Moderate

How much faster people get on repeat solves.

Skill Sensitivity

1.5x Moderate

How much skill level affects solving time.

Median: 00:55:05
Average: 01:01:01
1x solved in relax mode

	Name	Time
1.	Taylor P.	00:35:02 15.11.2025 PPM 14.27 More (1x) 00:37:00 15.11.2025 PPM 13.51
2.	Ruby Lavender	00:35:58 24.05.2026 PPM 13.9 More (1x) 00:43:06 24.05.2026 PPM 11.6 1st try
3.	Cat	00:38:31 09.09.2025 PPM 12.98 More (2x) 00:54:14 15.09.2025 PPM 9.22 01:20:21 08.09.2025 PPM 6.22 1st try
4.	Vestrit	00:39:18 12.02.2025 PPM 12.72 More (1x) 00:49:48 28.11.2024 PPM 10.04 1st try
5.	Cleosalem	00:39:19 07.05.2025 PPM 12.72 1st try
6.	Jasper L	00:39:36 12.12.2025 PPM 12.63 1st try
7.	K. L.	00:42:07 02.02.2025 PPM 11.87 More (1x) 00:53:08 01.02.2025 PPM 9.41 1st try
8.	Lisa	00:42:41 13.05.2026 PPM 11.71 1st try
9.	elainesoup	00:43:25 03.02.2026 PPM 11.52 More (1x) 00:47:39 03.02.2026 PPM 10.49
10.	Feifei (@feifeipuzzle)	00:43:26 04.11.2025 PPM 11.51 1st try
11.	abby27	00:46:52 20.01.2025 PPM 10.67 More (1x) 00:55:27 18.01.2025 PPM 9.02 1st try
12.	Alex Hafford	00:47:42 11.11.2025 PPM 10.48 More (1x) 00:47:43 17.10.2024 PPM 10.48
13.	Susie	00:48:04 05.03.2026 PPM 10.4 1st try
14.	Lauren S	00:48:16 27.10.2025 PPM 10.36 More (2x) 00:58:44 23.10.2025 PPM 8.51 01:17:25 23.10.2025 PPM 6.46
15.	Emma	00:49:22 11.08.2024 PPM 10.13 More (1x) 00:58:12 10.08.2024 PPM 8.59
16.	Zoe	00:50:11 18.08.2024 PPM 9.96 More (3x) 00:52:15 17.08.2024 PPM 9.57 01:03:50 17.08.2024 PPM 7.83 01:15:17 16.08.2024 PPM 6.64 1st try
17.	KaraPuzzlesToo	00:50:23 23.06.2025 PPM 9.92 1st try
18.	LisaW	00:50:38 18.11.2025 PPM 9.87 More (2x) 00:55:06 07.09.2025 PPM 9.07 00:55:06 29.08.2025 PPM 9.07 1st try
19.	thepuzzlingshoe	00:52:58 13.12.2025 PPM 9.44
20.	Courtney	00:53:33 12.05.2026 PPM 9.34 1st try
21.	Hannah Wensing	00:53:56 29.12.2023 PPM 9.27 1st try
22.	Katie 🍭	00:53:57 26.06.2025 PPM 9.27 More (1x) 01:00:08 24.06.2025 PPM 8.31 1st try
23.	Maud (@nat20puzzler)	00:53:58 06.11.2023 PPM 9.26 1st try
24.	Julia.jigsaws	00:54:30 11.04.2025 PPM 9.17 1st try
25.	Audrey N	00:55:05 29.09.2025 PPM 9.08 1st try
26.	Nadia \| puzzle.mom	00:55:26 23.09.2025 PPM 9.02 1st try
27.	Lizzy Alvarez	00:55:56 03.06.2024 PPM 8.94
28.	Sophie Foster	00:57:07 16.11.2025 PPM 8.75 1st try
29.	Anczi	00:59:16 07.07.2025 PPM 8.44
30.	1morepiece	00:59:37 09.03.2026 PPM 8.39 More (1x) 01:10:12 07.12.2025 PPM 7.12 1st try
31.	Run.Hike.Puzzle.Repeat	00:59:54 02.05.2026 PPM 8.35 1st try
32.	Cynthia	01:00:32 29.12.2025 PPM 8.26 1st try
33.	Laura	01:01:56 27.05.2026 PPM 8.07 1st try
34.	Claireattemptspuzzles	01:03:16 10.08.2025 PPM 7.9 1st try
35.	Tai	01:03:17 22.03.2025 PPM 7.9 More (4x) 01:13:44 09.03.2025 PPM 6.78 01:17:14 05.03.2025 PPM 6.47 01:28:19 04.03.2025 PPM 5.66 01:40:03 03.03.2025 PPM 5 1st try
36.	Chelsea F.	01:06:14 31.03.2024 PPM 7.55 1st try
37.	JD Armstrong	01:08:07 08.12.2024 PPM 7.34 1st try
38.	Anne F	01:10:01 15.01.2026 PPM 7.14 More (1x) 01:19:00 15.01.2026 PPM 6.33 1st try
39.	Phizpop	01:10:10 14.03.2026 PPM 7.13 1st try
40.	Sandra Vita	01:11:14 19.10.2025 PPM 7.02 1st try
41.	Megan	01:15:00 01.02.2025 PPM 6.67 1st try
42.	emily27	01:19:05 21.03.2024 PPM 6.32 1st try
43.	Jannefer	01:25:13 07.03.2026 PPM 5.87 1st try
44.	vioreads	01:30:18 15.10.2025 PPM 5.54 1st try
45.	Valeria	01:34:36 16.02.2026 PPM 5.29
46.	Cassie	01:38:00 05.11.2025 PPM 5.1 1st try
47.	CrunchyLadybug	01:56:51 16.01.2026 PPM 4.28 1st try
48.	#VSF1S7	01:58:32 08.03.2025 PPM 4.22 1st try
49.	#VH1334	02:02:00 06.01.2026 PPM 4.1