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How does a spectroscope enable astronomers to determine the characteristics of distant stars and galaxies?
en.wikipedia.org/wiki/Spectroscopy
What are the unique characteristics of a spherical galaxy?
Spherical galaxies are characterized by their round shape and lack of distinct spiral arms. They contain mostly older stars and have a dense central bulge. These galaxies are often found in clusters and have a more uniform distribution of stars compared to spiral galaxies.
How do you take pictures of other galaxies?
To take pictures of other galaxies, astronomers use telescopes equipped with sensitive cameras to capture light emitted by the distant galaxies. These telescopes are often placed in space or in remote locations to minimize interference from Earth's atmosphere and light pollution. The images captured are then processed and analyzed to study the properties and characteristics of the galaxies.
Are elliptical galaxies egg-shaped galaxies without spiral arms of interstellar gas and dust?
No. Elliptical galaxies are some of the oldest galaxies.They are also called early galaxies. The elliptical galaxies are made of low massed stars, a sparse interstellar medium and very low star forming characteristics.
What are the different names of galaxies in the universe?
Galaxies in the universe have different names based on their shape and structure. Some common types of galaxies include spiral galaxies, elliptical galaxies, and irregular galaxies. Each type has its own unique characteristics and features.
Who found the galaxies?
who discovered the galaxies who discovered the galaxies
What are the types or categories for galaxies?
Spiral galaxies, barred spiral galaxies, elliptical galaxies, and irregular galaxies
What is the possessive form of galaxies?
The possessive form for the plural noun galaxies is galaxies'.Example: Their galaxies' paths do not coordinate.
What are the characteristics and significance of super holes in the field of astrophysics?
Supermassive black holes are extremely dense regions in space with gravitational forces so strong that not even light can escape. They are found at the centers of galaxies and play a significant role in shaping the evolution of galaxies. Their characteristics include immense mass, high gravitational pull, and the ability to influence the movement of stars and gas around them. Studying supermassive black holes helps scientists understand the formation and growth of galaxies and the dynamics of the universe.
How are galaxies classified according to their characteristics?
Galaxies are classified based on their shape, size, and structure. The main types of galaxies are spiral, elliptical, and irregular. Spiral galaxies have arms that spiral out from a central core, while elliptical galaxies are more rounded in shape. Irregular galaxies do not have a distinct shape. Additionally, galaxies can be classified based on their size and the presence of a central bulge or bar.
What galaxies are sometimes called dwarf galaxies being typically smaller than spiral galaxies?
Elliptical galaxies are sometime called dwarf galaxies.
How do astronomers group galaxies into three types, according to their characteristics?
Astronomers group galaxies into three types based on their characteristics: spiral galaxies have arms that spiral out from a central bulge, elliptical galaxies are oval-shaped with no distinct structure, and irregular galaxies have a chaotic and asymmetrical shape.
