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Earth and its Natural Satellites Video Lecture | Science Class 5

FAQs on Earth and its Natural Satellites Video Lecture - Science Class 5

$1. What is Earth's satellite?
Ans. Earth's satellite is commonly known as the Moon. It is the only natural satellite of Earth, orbiting our planet at an average distance of about 384,400 kilometers (238,855 miles). The Moon plays a significant role in influencing Earth's tides and affects various biological processes.
$2. How does the Moon affect Earth?
Ans. The Moon affects Earth primarily through its gravitational pull, which causes tides in the oceans. The gravitational force of the Moon causes the water in the oceans to bulge out, creating high tides. Additionally, the Moon stabilizes Earth's axial tilt, which is crucial for maintaining a consistent climate.
$3. What are the phases of the Moon?
Ans. The phases of the Moon include New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent. These phases are a result of the Moon's position relative to Earth and the Sun, affecting how much of the Moon's surface is illuminated and visible from Earth.
$4. How long does it take for the Moon to orbit Earth?
Ans. The Moon takes approximately 27.3 days to complete one orbit around Earth. This period is known as a sidereal month. However, because Earth is also moving around the Sun, the time it takes for the Moon to go through all its phases (from one New Moon to the next) is about 29.5 days, known as a synodic month.
$5. Can we see the same side of the Moon all the time?
Ans. Yes, we always see the same side of the Moon from Earth due to a phenomenon called synchronous rotation or tidal locking. This means that the Moon rotates on its axis in the same amount of time it takes to orbit Earth, which is why only one hemisphere is visible from our planet.
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