--- title: How we know: measuring the sky — the lesson's questions with trees and pragmatics · Space description: The 15 test and exam questions of lesson 28 «How we know: measuring the sky» of the space course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Space](https://md.mova.elamur.ai/free/en/corpora/questions/space/) / How we know: measuring the sky # How we know: measuring the sky The 15 questions of lesson 28 «How we know: measuring the sky» of the space course of Mova's primary school with their options, 82 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/space/28-how-we-know-measuring-the-sky/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t1/) — Lily thinks astronomers must fly to stars to know what they're made of. What is right? — wrong ✗ · ★★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t2/) — Hold a pencil close to your face, then far, and wink each eye. When does it jump less? — wrong ✗ · ★★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t3/) — Why would it be easier to measure parallax from a planet with a much bigger orbit than Earth? — right ✓ · ★★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t4/) — An ambulance's siren drops in pitch as it drives away. Which sky clue works like that? — right ✓ · ★★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t5/) — Why was it so amazing that helium was found in the Sun before on Earth? — wrong ✗ · ★★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t6/) — Two Cepheids pulse equally slowly, but one looks much dimmer. What can you conclude? — wrong ✗ · ★★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t7/) — Payne's result was first refused by other astronomers. What does her story show about science? — right ✓ · ★★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t8/) — Uranus kept drifting off its predicted path. What did Le Verrier reason? — wrong ✗ · ★★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t9/) — If Earth went round the Sun faster at the same distance, what would that tell us about the Sun? — wrong ✗ · ★★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t10/) — Eratosthenes saw no shadow at noon in one city but a shadow at another the same day. Why? — right ✓ · ★★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/t11/) — bro reckons nobody can know how far stars are, it's all made up. true? — wrong ✗ · ★★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/e1/) — Which of the following statements most accurately characterises the method of stellar parallax? — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/e2/) — Identify the element first discovered in the spectrum of the Sun in 1868. — right ✓ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/e3/) — Ascertain the means by which the planet Neptune was located in 1846. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/space/28-how-we-know-measuring-the-sky/e4/) — Select the response that is consistent with the established facts concerning the composition of stars as shown by Cecilia Payne in 1925. — right ✓ · exam - ← previous: [27. Telescopes and light](https://md.mova.elamur.ai/free/en/corpora/questions/space/27-telescopes-and-light/) - next →: [29. The history of space exploration](https://md.mova.elamur.ai/free/en/corpora/questions/space/29-the-history-of-space-exploration/) - ↑ back to [Space](https://md.mova.elamur.ai/free/en/corpora/questions/space/)