Question 1

What is the primary source of energy for our star, the Sun?

Accepted Answer

Nuclear fusion

Answer

Chemical reactions

Answer

Geothermal energy

Answer

Solar panels

Question 2

What layer of the Sun is visible during a solar eclipse?

Accepted Answer

Corona

Answer

Photosphere

Answer

Convective Zone

Answer

Chromosphere

Question 3

What is the approximate temperature at the core of the Sun?

Accepted Answer

15 million degrees Celsius

Answer

1 billion degrees Celsius

Answer

1,000 degrees Celsius

Answer

5,500 degrees Celsius

Question 4

What process occurs in the Sun to convert hydrogen into helium?

Accepted Answer

Nuclear fusion

Answer

Conduction

Answer

Photosynthesis

Answer

Radiation

Question 5

What is the main element that the Sun is primarily composed of?

Accepted Answer

Hydrogen

Answer

Helium

Answer

Carbon

Answer

Oxygen

Question 6

What phenomenon on the Sun is characterized by intense magnetic activity and can lead to solar flares?

Accepted Answer

Sunspots

Answer

Comets

Answer

Solar wind

Answer

Auroras

Question 7

What is the estimated lifespan of the Sun before it exhausts its nuclear fuel?

Accepted Answer

Approximately 10 billion years

Answer

Approximately 100 million years

Answer

Around 1 billion years

Answer

About 20 billion years

Question 8

What is the primary effect of solar flares on Earth?

Accepted Answer

Disruption of satellite communications

Answer

Formation of new stars

Answer

Increased rainfall

Answer

Climate cooling

Question 9

What region within a molecular cloud is the most likely place for a star to form?

Accepted Answer

Protostar

Answer

Neutron star

Answer

Planetary nebula

Answer

White dwarf

Question 10

What triggers the ignition of nuclear fusion in a newly formed star?

Accepted Answer

High temperature and pressure

Answer

Cosmic rays

Answer

Magnetic fields

Answer

Solar winds

Question 11

What is the name of the disk of gas and dust that surrounds a protostar?

Accepted Answer

Accretion disk

Answer

Planetary ring

Answer

Asteroid belt

Answer

Comet cloud

Question 12

Which element primarily fuels the nuclear fusion process in the early stages of a star's life?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Helium

Answer

Carbon

Question 13

What occurs when a star exhausts its hydrogen fuel and begins fusing helium?

Accepted Answer

It expands into a red giant

Answer

It turns into a black hole

Answer

It becomes a neutron star

Answer

It collapses into a white dwarf

Question 14

What is the remaining core of a massive star called after it has gone supernova and shed its outer layers?

Accepted Answer

Neutron star

Answer

White dwarf

Answer

Red giant

Answer

Black hole

Question 15

What role do supernovae play in the process of star formation?

Accepted Answer

They distribute heavier elements into space

Answer

They create new molecular clouds

Answer

They directly form new stars

Answer

They cool down existing stars

Question 16

What is the primary tool used in astronomy to observe distant celestial objects?

Accepted Answer

Telescope

Answer

Microscope

Answer

Sextant

Answer

Barometer

Question 17

Which of the following celestial objects is classified as a red giant?

Accepted Answer

Betelgeuse

Answer

Proxima Centauri

Answer

Sirius

Answer

Vega

Question 18

What is the name of our galaxy?

Accepted Answer

Milky Way

Answer

Andromeda

Answer

Whirlpool

Answer

Sombrero

Question 19

What is the phenomenon called when the moon passes directly between the Earth and the Sun?

Accepted Answer

Solar Eclipse

Answer

Blood Moon

Answer

Lunar Eclipse

Answer

Supermoon

Question 20

Which type of star is the Sun classified as?

Accepted Answer

Main Sequence

Answer

White Dwarf

Answer

Red Supergiant

Answer

Neutron Star

Question 21

What is the nearest star to Earth, after the Sun?

Accepted Answer

Proxima Centauri

Answer

Alpha Centauri A

Answer

Sirius

Answer

Barnard's Star

Question 22

What do we call the large clouds of gas and dust in space where new stars are born?

Accepted Answer

Nebulae

Answer

Galaxies

Answer

Clusters

Answer

Planets

Question 23

What are the primary elements that make up most of the human body and were produced in stars?

Accepted Answer

Carbon, Hydrogen, Nitrogen, Oxygen

Answer

Calcium, Magnesium, Phosphorus, Sodium

Answer

Iron, Nickel, Copper, Zinc

Answer

Gold, Silver, Platinum, Palladium

Question 24

What percentage of the human body is comprised of elements that were formed in stars?

Accepted Answer

About 99%

Answer

About 75%

Answer

About 90%

Answer

About 50%

Question 25

What is the fate of elements heavier than iron produced in massive stars?

Accepted Answer

They are formed during supernova explosions

Answer

They are formed in red giants

Answer

They are created in white dwarfs

Answer

They do not exist in nature

Question 26

Which of the following elements is NOT primarily formed through stellar processes?

Accepted Answer

Gold

Answer

Carbon

Answer

Helium

Answer

Oxygen

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