Spectral Analysis of Stars in Taurus Constellation

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What can be inferred about the composition of stars based on the few lines observed in their spectra?

The age of the stars
The temperature of the stars
The chemical composition of the stars (correct)
The distance of the stars from Earth

Why do astronomers attach spectroscopes to their telescopes?

To measure the brightness of stars
To determine the age of stars
To calculate the distance between stars
To analyze the spectra of stars (correct)

What can spectral analysis help astronomers identify?

The distance from Earth to a star
The chemical make-up of a star (correct)
The brightness of a star
The size of a star

What is the purpose of comparing the spectral patterns of known elements to those of unknown stars?

To identify the chemical composition of the unknown stars (A) Signup and view all the answers

Which element is NOT mentioned as part of the investigation's spectral analysis?

Hydrogen (H) (D) Signup and view all the answers

What is the main method used by astronomers to detect the chemical make-up of a star?

Examining the star's spectrum (D) Signup and view all the answers

What is the main purpose of using spectroscopes in astronomy?

To identify the chemical composition of celestial objects (B) Signup and view all the answers

How does the Doppler effect relate to identifying celestial body movements?

It shows the speed at which celestial bodies are moving towards or away from us (B) Signup and view all the answers

Which element is NOT mentioned in the text as part of the mystery star's composition?

Oxygen (O) (B) Signup and view all the answers

How can a star's composition be inferred using a spectral pattern?

By identifying the unique absorption lines in the star's spectrum (C) Signup and view all the answers

Which of the following best describes how a star's movement affects the Doppler effect?

It results in a change in the wavelength of light emitted by the star (C) Signup and view all the answers

What characteristic of an ambulance siren is analogous to the Doppler effect in stars?

Pitch of the sound (D) Signup and view all the answers

What does a red shift in the spectral lines of a star indicate?

The star is moving away from Earth (B) Signup and view all the answers

Why is parallax only useful for measuring distances to close stars?

Parallax is not accurate for distant stars (C) Signup and view all the answers

What did the spectroscope allow astronomers to achieve that was previously thought impossible by Auguste Comte?

Determine the composition of stars (A) Signup and view all the answers

What is the main focus of astronomers when using a spectroscope to study stars?

Analyzing star compositions (D) Signup and view all the answers

How does a blue shift in the spectral lines of a star differ from a red shift?

Blue shift indicates movement towards Earth, red shift indicates movement away (D) Signup and view all the answers

What makes the spectroscope an amazing tool in astronomy according to the text?

Its capacity to reveal star compositions (B) Signup and view all the answers