100 Easy Astronomy Questions (1)

[B] Mercury | Mercury is the closest planet to the Sun, with extreme temperature changes due to its lack of atmosphere.

[A] Saturn | Saturn's iconic and extensive ring system makes it one of the most recognizable planets.

[B] The Milky Way | The Milky Way is the galaxy we live in, containing billions of stars, including our Sun.

[D] Mars | Mars is known as the Red Planet due to its iron oxide-rich surface, giving it a reddish appearance.

[C] Venus | Venus, with its thick atmosphere of carbon dioxide, traps heat, making it the hottest planet.

[C] Saturn | Saturn has more than 80 moons, including Titan, the second-largest moon in the solar system.

[C] A star | The Sun is a medium-sized star that provides the heat and light necessary for life on Earth.

[C] Earth | Earth is the only planet known to support life, with its unique combination of air, water, and temperature.

[D] Uranus | Uranus is unique with its extreme axial tilt, causing it to roll rather than spin like most planets.

[A] Jupiter | Jupiter is the largest planet, with a mass over 300 times that of Earth.

[B] Eight | There are eight planets in our solar system after Pluto was reclassified as a dwarf planet.

[B] Mercury | Mercury is the smallest planet, even smaller than some of the moons in the solar system.

[A] Jupiter | Jupiter has the shortest day, completing a full rotation in just under 10 hours.

[D] Phobos | Phobos is the largest and innermost moon of Mars, slowly spiraling inward toward the planet.

[B] Jupiter | The Great Red Spot is a massive storm on Jupiter that has been raging for centuries.

[C] Nitrogen | Nitrogen makes up 78% of Earth’s atmosphere, playing a vital role in maintaining life.

[A] Jupiter | Jupiter is the fifth planet from the Sun and the largest in the solar system.

[D] Neptune | Neptune has the fastest winds in the solar system, reaching speeds of over 2,000 km/h.

[B] Uranus | Despite being farther from the Sun, Uranus is colder than Neptune due to its lack of internal heat.

[D] Venus | Venus is often called the Morning Star because it is bright and visible in the early morning sky.

[C] The Moon | The Moon is the only natural satellite of Earth and is the fifth largest moon in the solar system.

[B] Aitken Basin | The Aitken Basin is the largest and deepest impact crater on the Moon, located on the far side.

[D] Solar eclipse | A solar eclipse happens when the Moon passes directly between the Earth and the Sun.

[C] The gravitational pull of the Moon | The gravitational pull of the Moon causes tides, as it pulls water on Earth towards it.

[C] New Moon | During a new moon, the Moon is positioned between the Earth and the Sun, making it invisible from Earth.

[B] Full Moon | A full moon occurs when the entire face of the Moon is illuminated by the Sun.

[C] Waxing | When the Moon transitions from a new moon to a full moon, it is said to be waxing.

[A] Waning | When the Moon transitions from full moon to new moon, it is said to be waning.

[D] Apollo 11 | Apollo 11 was the mission that successfully landed the first humans, Neil Armstrong and Buzz Aldrin, on the Moon in 1969.

[B] Penumbra | The penumbra is the outer, partial shadow cast by the Moon during a solar eclipse, where some sunlight still reaches the Earth.