Physics, 10.10.2019 22:00 monkeys450
From laboratory measurements, we know that a particular spectral line formed by hydrogen appears at a wavelength of 486.1 nanometers (nm). the spectrum of a particular star shows the same hydrogen line appearing at a wavelength of 485.9 nm. what can we conclude?
- the "star" actually is a planet.
- the star is moving away from us.
- the star is getting colder.
- the star is getting hotter.
- the star is moving toward us.
Answers: 1
Physics, 22.06.2019 05:30, ellemarshall13
Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp
Answers: 2
From laboratory measurements, we know that a particular spectral line formed by hydrogen appears at...
English, 07.02.2022 17:50
Mathematics, 07.02.2022 17:50
Computers and Technology, 07.02.2022 17:50