Edexcel IAL · Physics · WPH15 · Astrophysics and Cosmology

Topic Questions: 171 understand the controversy over the age and ultimate fate of the universe associated with the value of the Hubble constant and the possible existence of dark matter. — WPH15 Astrophysics and Cosmology

19 WPH15 Astrophysics and Cosmology topic questions are tagged to this syllabus point across 14 papers (2021–2026). Only the parts whose knowledge graph matches this syllabus statement are counted, and the table shows which parts of each question are involved.

19 topic questions 14 papers 38 tagged marks 6.3% of topic questions 5.2% of topic marks 2021–2026 Syllabus 2018–current

Core finding

This Astrophysics and Cosmology syllabus point appears in 14 WPH15 papers across 2021–2026, contributing 19 topic questions and 38 marks. The most recent appearance is WPH15/01 January 2026. That equals 6.3% of the 303 topic questions and 5.2% of the 725 marks tagged to Astrophysics and Cosmology. Only parts tagged to this subtopic are counted, so a four-part question can contribute one item and one part's marks. The table lists every matching question, its tagged parts and marks, with a link back to the paper page. Sessions are newest first, so the statement can be traced back through the full paper history.

Topic questions by session

Newest sessions first. Parts and marks count only the parts tagged to this subtopic; “x of y parts” shows how much of the question is tagged elsewhere. Select the paper cell to open the matching question on the paper page, or use Go to Practice Hub to answer that exact question in the Interactive Practice Hub.

PaperQuestionTypePartsMarksDifficultyPractice
WPH15/01January 2026 · Edexcel IAL Q5
Characteristics of an Open Universe - Edexcel IAL Physics Jan 2026 Q5
MCQ MCQ · 1 part 1 Easy Go to Practice Hub
WPH15/01January 2026 · Edexcel IAL Q17
International Space Station Orbit and Gravity - Edexcel IAL Physics Jan 2026 Q17
FRQ 1 of 3 parts ((a)) 2
of 11 on the paper
Medium Go to Practice Hub
WPH15/02January 2026 · Edexcel IAL Q3
Critical Density of the Universe - Edexcel IAL Physics Jan 2026 Q3
MCQ MCQ · 1 part 1 Easy Go to Practice Hub
WPH15/02January 2026 · Edexcel IAL Q22
Orbital Velocity and Dark Matter - Edexcel IAL Physics Jan 2026 Q22
FRQ 2 of 4 parts ((b)(ii), (c)) 5
of 8 on the paper
Medium Go to Practice Hub
WPH15/02October 2025 · Edexcel IAL Q4
Hubble Constant and Age of Universe - Edexcel IAL Physics Oct 2025 Q4
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01January 2025 · Edexcel IAL Q7
Hubble Constant and Age of Universe - Edexcel IAL Physics Jan 2025 Q7
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01October 2024 · Edexcel IAL Q7
Edexcel IAL Physics Unit 5 Oct 2024 Q7
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01June 2024 · Edexcel IAL Q18
Kepler's Third Law & Dark Matter - Edexcel IAL Physics Unit 5 Jun 2024 Q18
FRQ 1 of 3 parts ((b)(ii)) 4
of 9 on the paper
Medium Go to Practice Hub
WPH15/01January 2024 · Edexcel IAL Q18
Astrophysics and Cosmology - Edexcel IAL Physics Jan 2024 Q18
FRQ 1 of 3 parts ((c)) 4
of 11 on the paper
Medium Go to Practice Hub
WPH15/01June 2023 · Edexcel IAL Q1
Edexcel IAL Physics Unit 5 June 2023 Q1
MCQ MCQ · 1 part 1 Easy Go to Practice Hub
WPH15/01January 2023 · Edexcel IAL Q16
Dark Matter and Fate of the Universe - Edexcel IAL Physics Jan 2023 Q16
FRQ 2 of 3 parts ((a), (c)) 5
of 7 on the paper
Medium Go to Practice Hub
WPH15/01June 2022 · Edexcel IAL Q12
Hubble Constant Conversion and Age of Universe - Edexcel IAL Physics Jun 2022 Q12
FRQ 1 of 3 parts ((b)) 2
of 6 on the paper
Easy Go to Practice Hub
WPH15/01January 2022 · Edexcel IAL Q16
Galaxy Rotation Curves and Dark Matter - Edexcel IAL Physics Jan 2022 Q16
FRQ 2 of 3 parts ((a)(ii), (b)) 4
of 7 on the paper
Easy Go to Practice Hub
WPH15/01October 2021 · Edexcel IAL Q17
Trigonometric Parallax and Age of the Universe - Edexcel IAL Physics Oct 2021 Unit 5 Q17
FRQ 1 of 2 parts ((b)) 4
of 7 on the paper
Medium Go to Practice Hub
WPH15/01June 2021 · Edexcel IAL Q2
Hubble Constant History - Edexcel IAL Physics Jun 2021 Q2
MCQ MCQ · 1 part 1 Medium Go to Practice Hub
WPH15/01January 2021 · Edexcel IAL Q2
Cosmology - dark matter properties
MCQ MCQ · 1 part 1 Easy Go to Practice Hub

Topic question rules and edge cases

How many topic questions cover this syllabus point?
16 question stems cover this subtopic across 14 papers, but only 19 tagged parts and 38 marks belong to it. Other parts of the same questions are assessed under different statements and are excluded from this page.
Which papers include this subtopic?
The table lists every matching session from 2021–2026. Each row links to the question anchor on the paper page, where the full paper context and practice entry point are available.
Why can one question appear under several subtopics?
The parts of one question can assess different syllabus statements. Each part is counted under its own subtopics, so the same question stem can appear on several subtopic pages while each page lists only the parts and marks tagged to that statement.
Can I practise these questions with AI marking?
Yes. Open a paper from the table and use the Interactive Practice Hub entry point. The page itself is static HTML so search engines and retrieval agents can read the full question list without executing JavaScript.