Astronomy and cosmology notes

What is astronomy in detail?
Astronomy is the study of everything in the universe beyond Earth's atmosphere.
That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars .
It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles..
What is the relationship between cosmology and astronomy?
Astronomy is the study of objects and phenomena beyond Earth, whereas cosmology is a branch of astronomy that studies the origin of the universe and how it has evolved.
For example, the big bang, the origin of the chemical elements, and the cosmic microwave background are all subjects of cosmology..
Cosmology draws heavily on the work of many disparate areas of research in theoretical and applied physics.
Areas relevant to cosmology include particle physics experiments and theory, theoretical and observational astrophysics, general relativity, quantum mechanics, and plasma physics.

Topic 25: Astronomy and Cosmology. Notes https://bit.ly/pmt-cc https://bit.ly The luminosity L of an astronomical object is the total power of the radiation

What are some examples of cosmology?

Relevant phenomena include:

supernova explosions

gamma ray bursts

quasars

blazars

pulsars

and cosmic microwave background radiation.
Cosmology is a branch of astronomy concerned with the studies of the origin and evolution of the universe, from the Big Bang to today and on into the future.

What does astronomy study?

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Astronomy studies celestial objects and phenomena and combines mathematics, physics, and chemistry to explain their origin and evolution.
Objects of interest include:

planets

moons

stars

nebulae

galaxies

and comets.

What is astronomy and cosmology?

Astronomy and cosmology:

Physics is used to study the universe

including :

the behavior of matter and energy on the largest scales

the properties of stars and galaxies

and the nature of space and time.

What will I learn in cosmology?

The course will explore cosmology from the Big-Bang to dark matter, and the most recent discoveries in galaxy evolution.
Astronomy has brought far off elements of our universe such as:

galaxies

the solar system

stars

and planets within our reach through study and exploration

and the same is intended for the students taking this course.

Astronomy and cosmology notes

What is astronomy in detail?

What is the relationship between cosmology and astronomy?

What are some examples of cosmology?

What does astronomy study?

What is astronomy and cosmology?

What will I learn in cosmology?