Science topic analysis
Space & Astronomy UPSC PYQs
This collection spans space missions, satellites and navigation, remote sensing, astronomical objects and distances, gravitational waves, and planetary science. This live collection contains 21 classified questions across 12 exam years, from 2014 to 2025.
Year-by-year frequency
Counts show how many questions in this library were assigned to the category in each represented exam year. A zero is not implied for omitted years, and frequency alone is not a prediction of a future paper.
Source topic labels in this cluster
Recurrent concept labels
Representative solved questions
The sample prioritizes different years and removes repeated prompt text. Open a question to see its options, independent answer, and explanation.
UPSC 2025 · Science
GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of G...
UPSC 2024 · Science
With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : 1. All types of UAVs can do vertical landing. 2. All types of UAVs can do automated hove...
UPSC 2023 · Science
Which one of the following countries has its own Satellite Navigation System?
UPSC 2022 · Science
Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media ?
UPSC 2021 · Science
Which one of the following is a reason why astronomical distances are measured in light-years?
UPSC 2020 · Science
"The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining be...
UPSC 2019 · Science
Recently, scientists observed the merger of giant 'blackholes' billions of light-years away from the Earth. What is the significance of this observation?
UPSC 2018 · Science
In which of the following areas can GPS technology be used? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the...
UPSC 2017 · Science
The terms 'Event Horizon', 'Singularity', 'String Theory' and 'Standard Model' are sometimes seen in the news in the context of
UPSC 2016 · Science
With reference to 'Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct? 1. Other than USA and Russia, India is the only...
How this page is built
Topic and concept labels are AI-assisted enrichment, not official UPSC classifications. We map them into a conservative editorial taxonomy using deterministic label rules, publish a category only when it has at least 10 questions across at least three exam years, and keep ambiguous records out of topic pages. Counts update with the question bank. See the full methodology and correction policy.