10 Questions
What are the subfields encompassed by astronomy?
observational astronomy, theoretical astronomy, planetary science, astrophysics, cosmology, and astrobiology
What are the three main types of galaxies?
elliptical, spiral, and irregular
How many planets are there in our solar system?
eight
What has been the human fascination with space exploration since ancient times?
Humans have looked to the sky with wonder and dreamt of exploring the cosmos just as they explored the land and oceans of Earth
Explain the difference between observational astronomy and theoretical astronomy.
Observational astronomy involves the direct observation and measurement of celestial objects and phenomena, while theoretical astronomy uses mathematical models and computer simulations to understand the behavior and properties of these objects.
What are planets classified based on?
Planets are classified based on their size, composition, and distance from the sun.
How are stars classified?
based on their spectral type, luminosity, and temperature
Describe the characteristics used to classify stars.
Stars are classified based on their spectral type, luminosity, and temperature.
What are galaxies and how are they held together?
Galaxies are massive collections of stars, gas, and dust that are held together by gravity.
What is space exploration and why has it been a human fascination since ancient times?
Space exploration is the investigation of outer space using space technology. It has been a human fascination since ancient times due to the desire to explore the cosmos just as humans explored the land and oceans of Earth.
Test your knowledge on the interdisciplinary field of astronomy, which encompasses the study of celestial objects, phenomena, and subfields including observational astronomy, theoretical astronomy, planetary science, astrophysics, cosmology, and astrobiology.
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