問題一覧
1
Parallax is the apparent shift in the position of a nearer star relative to distant stars, as a result of the Earth's orbit
2
Measuring the angle to an object (e.g. a star) and seeing how the angle changes as the Earth changes position
3
That it is nearer the Earth
4
The average distance between the centre of the Earth and centre of the Sun
5
The distance at which the parallax angle is 1 arcsecond (1/3600th of a degree)
6
The distance that electromagnetic waves travel on a year in a vacuum
7
Objects of known luminosity
8
Distance², d² (m) = Luminosity, L (W) / 4π × Intensity, I (W/m²)
All Maths Notation
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Oluwole Akande · 11問 · 2年前Chapter 7 - Electric and Magnetic Fields - Capacitor Discharge
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11問 • 2年前問題一覧
1
Parallax is the apparent shift in the position of a nearer star relative to distant stars, as a result of the Earth's orbit
2
Measuring the angle to an object (e.g. a star) and seeing how the angle changes as the Earth changes position
3
That it is nearer the Earth
4
The average distance between the centre of the Earth and centre of the Sun
5
The distance at which the parallax angle is 1 arcsecond (1/3600th of a degree)
6
The distance that electromagnetic waves travel on a year in a vacuum
7
Objects of known luminosity
8
Distance², d² (m) = Luminosity, L (W) / 4π × Intensity, I (W/m²)