Astronomy

What is science primarily described as in the video?

• A set of beliefs and assumptions

• A collection of unchangeable facts

• A body of knowledge and a method of acquiring it

• A series of experiments without conclusions

What does astronomy help us understand about our position in the universe?

• It disproves the existence of other galaxies

• It proves the universe revolves around Earth

• It highlights our insignificance

• It shows us as the central figure

According to the video, what has astronomy expanded to include?

• Only the study of stars and planets

• Mythological interpretations of the sky

• Astrological predictions

• Chemistry, geology, and other sciences

What does the video suggest about the boundaries between astronomy and other fields of science?

• They are rigid and well-defined

• They are non-existent

• They are fuzzy and overlapping

• They are constantly being erased

What was Phil Plait's role in relation to the Hubble Space Telescope?

• Astronaut

• Telescope operator

• Programmer

• Astrophysicist

What did ancient people rely on the stars for?

• Communication

• Entertainment

• Predicting weather and seasons

• Navigation

What ancient practice was mentioned as leading to a more rigorous understanding of the sky?

• Astrology

• Numerology

• Alchemy

• Geomancy

Who was mentioned as not being the first, but significantly contributing to the heliocentric model?

• Galileo Galilei

• Isaac Newton

• Tycho Brahe

• Nicolaus Copernicus

What revolutionized astronomy about a century ago, according to the video?

• The development of digital detectors

• The discovery of calculus

• The invention of the telescope

• The use of photography

What percentage of the Universe can we directly see?

• 50%

• 25%

• 10%

• 4%