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Galaxy Formation Quiz
Question 1:
What are the three main types of galaxies classified by their shape?
A) Spiral, Elliptical, Irregular
B) Circular, Rectangular, Triangular
C) Type I, Type II, Type III
D) Red, Blue, Green
Question 2:
What is the primary driving force behind the formation of galaxies?
A) Dark Energy
B) Gravitational Attraction
C) Electromagnetic Radiation
D) Nuclear Fusion
Question 3:
In which phase of galaxy formation do protogalactic clouds begin to collapse under their own gravity?
A) Stellar Phase
B) Dark Age
C) Reionization Phase
D) Protogalactic Phase
Question 4:
What role does dark matter play in galaxy formation?
A) It provides the energy for star formation.
B) It acts as a catalyst for nuclear reactions.
C) It helps to hold galaxies together through its gravitational influence.
D) It creates stars from nothing.
Question 5:
Which of the following processes contributes to the growth of galaxies over time?
A) Merging with other galaxies
B) Accretion of gas from the intergalactic medium
C) Star formation
D) All of the above
Question 6:
What phenomenon is believed to explain the formation of supermassive black holes at the centers of many galaxies?
A) Stellar Collapse
B) Direct Collapse of Gas Clouds
C) Rapid Star Formation
D) All of the Above
Question 7:
How long after the Big Bang do astronomers believe the first galaxies began to form?
A) 100 million years
B) 1 billion years
C) 500 million years
D) 4 billion years
Answers:
- A) Spiral, Elliptical, Irregular
- B) Gravitational Attraction
- D) Protogalactic Phase
- C) It helps to hold galaxies together through its gravitational influence.
- D) All of the above
- D) All of the Above
- C) 500 million years
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