#1
Which planet is known as the 'Red Planet'?
Mars
ExplanationMars is often called the 'Red Planet' due to its reddish appearance, attributed to iron oxide (rust) on its surface.
#2
Which mission successfully landed a rover named 'Perseverance' on Mars in 2021?
Mars 2020
ExplanationThe Mars 2020 mission successfully landed the Perseverance rover on Mars in February 2021 to explore the planet's surface.
#3
What is the main component of the Sun's core undergoing nuclear fusion?
Hydrogen
ExplanationHydrogen undergoes nuclear fusion in the Sun's core, converting into helium and releasing energy through the process.
#4
Which space mission was the first to successfully land humans on the Moon?
Apollo 11
ExplanationApollo 11, a NASA mission, achieved the first successful human landing on the Moon on July 20, 1969, with astronauts Neil Armstrong and Buzz Aldrin.
#5
What is the largest planet in our solar system?
Jupiter
ExplanationJupiter is the largest planet in our solar system, with a diameter more than 11 times that of Earth.
#6
Who was the first person to observe the moons of Jupiter?
Galileo Galilei
ExplanationGalileo Galilei was the first to observe Jupiter's moons using a telescope in 1610, supporting the heliocentric model.
#7
What is the name of the galaxy that contains our solar system?
Milky Way Galaxy
ExplanationOur solar system resides in the Milky Way Galaxy, a barred spiral galaxy containing billions of stars.
#8
Which telescope is famous for its observations in the infrared spectrum?
James Webb Space Telescope
ExplanationThe James Webb Space Telescope is designed for infrared observations, providing insights into celestial objects and events.
#9
What is the largest moon in our solar system?
Ganymede
ExplanationGanymede, a moon of Jupiter, is the largest in our solar system, even surpassing the planet Mercury in size.
#10
Which dwarf planet was formerly considered the ninth planet in our solar system?
Pluto
ExplanationPluto, once considered the ninth planet, was reclassified as a dwarf planet in 2006 by the International Astronomical Union.
#11
What is the name of the theory that suggests the universe originated from a hot, dense state and has been expanding ever since?
Big Bang Theory
ExplanationThe Big Bang Theory proposes that the universe began as a singularity and has been expanding since its explosive origin.
#12
Which scientist proposed the theory of relativity?
Albert Einstein
ExplanationAlbert Einstein proposed the theory of relativity, fundamentally altering our understanding of space, time, and gravity.
#13
What is the phenomenon where light bends as it passes through a gravitational field?
Gravitational Lensing
ExplanationGravitational Lensing is the bending of light around a massive object, predicted by Einstein's theory of general relativity.
#14
Which comet is known for its periodic appearances and was last seen in 1986?
Halley's Comet
ExplanationHalley's Comet, famous for its periodic return, was last observed in 1986 and is expected to reappear in 2061.
#15
What is the process by which a star transforms into a red giant and then expels its outer layers into space?
Planetary Nebula
ExplanationPlanetary Nebula is the final stage of a star's evolution, where it sheds its outer layers, creating a shell of ionized gas.
#16
Which astronomer first proposed the heliocentric model of the solar system?
Copernicus
ExplanationNicolaus Copernicus first proposed the heliocentric model, asserting the Sun as the center of the solar system.
#17
What is the name of the closest galaxy to the Milky Way?
Andromeda Galaxy
ExplanationThe Andromeda Galaxy is the closest spiral galaxy to the Milky Way and is on a collision course with our galaxy.