18 Questions
What is the primary reason that the constellations visible in the night sky change throughout the year?
The Earth's tilt on its axis causes different parts of the sky to be visible at different times of year.
Which of the following best describes a star's apparent magnitude?
The star's perceived brightness as seen from Earth.
Which of the following is a characteristic of a blue star?
It has a relatively high mass and surface temperature.
Which of the following best describes the nightly movement of stars as observed from Earth?
Stars appear to move from east to west across the sky.
What is the primary factor that determines a star's lifespan?
The star's mass.
Which of the following is an example of a bright, blue-white star?
Rigel.
What characteristic of a star determines its brightness?
Size and temperature
Which type of star shines brighter, generally?
Large stars
What does a star's life cycle primarily depend on?
Its initial mass
How many constellations are recognized by the International Astronomy Union?
88
Which culture named 48 out of the 88 recognized constellations based on Greek and Roman Mythologies?
Greeks
What celestial group is formed by connecting stars, and what are they called?
Constellations; They are called constellations
What is the primary reason for the apparent nightly movement of stars across the sky?
The Earth's rotation on its axis
Which of the following best explains why different constellations are visible at different times of the year?
The Earth's revolution around the Sun
If a star has a larger mass, what is likely to happen to its life cycle compared to a star with a smaller mass?
It will have a shorter life cycle
Which of the following constellations is known as 'the twins'?
Gemini
What is the term used by Christian Filipinos for the three stars that make up Orion's belt?
Both (a) and (b)
If an observer on Earth cannot see a particular star at night, what is the most likely reason?
The star is on the same side as the Sun
Test your knowledge on constellations and the movement of stars in the sky. Learn about Christian Filipinos' names for certain stars, the reasons for seeing different star patterns throughout the year, and more.
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