Question bank: Astronomy: Galaxies

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Question 1:

Medium

Galaxies are systems of stars, nebulae, and other celestial bodies, united by gravitational attraction. There are different types of galaxies according to their shape. Among the three main types of galaxies, what are the specific characteristics of each one?

Astronomy: Galaxies

Question 2:

Very Easy

Identify which of the following items is NOT a galaxy: a) Milky Way, b) Black Hole, c) Andromeda, d) Whirlpool Galaxy. Justify your answer based on their observable characteristics and knowledge of what defines a galaxy.

Astronomy: Galaxies

Multidisciplinary Question

Question 3:

Medium

The Milky Way, the galaxy we live in, is an example of a spiral galaxy. There are also other types of galaxies such as elliptical and irregular galaxies that differ in shape and physical characteristics. From this information: (a) Describe the main characteristics and differences between spiral, elliptical, and irregular galaxies. (b) Explain briefly what differentiates a galaxy from a black hole, a nebula, and a star. (c) Mention an example of each type of galaxy, besides the Milky Way, and describe the location of these galaxies in the Universe.

Astronomy: Galaxies

Question 4:

Easy

A star cluster is a region of space where large quantities of stars are concentrated, forming a large ensemble that can have different sizes and compositions depending on the region of space where it is located. These clusters can be found in different parts of the universe and have unique characteristics, such as age, size, and different composition for each of the clusters existing in the universe. What is the most important characteristic of star clusters?

Astronomy: Galaxies

Contextualized Question

Question 5:

Medium

Galaxies are massive systems of stars, interstellar dust, gases, and dark matter, all held together by gravitational force. There are different types of galaxies, such as spirals, ellipticals, and irregulars, each with their distinct characteristics. Considering that the Milky Way is a spiral galaxy and that a black hole is a region of space where the gravitational force is so strong that nothing, not even light, can escape from its interior, discuss the main differences between a galaxy and a black hole, including their structures, compositions, and how they interact with the universe. Additionally, explain how astronomers use the light emitted by different celestial bodies, such as stars and nebulae, to study the composition and dynamics of galaxies, and discuss the importance of these observations for our understanding of the universe on cosmic scales.

Astronomy: Galaxies

Theorical Question

Contextualized Question

IARA TIP

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