What is the biggest star in the universe?

The title of the "biggest star in the universe" can be a bit subjective and depends on the criteria used for measurement. However, one of the largest known stars is UY Scuti, a red supergiant star located in the constellation Scutum. UY Scuti has a radius that is estimated to be over 1,700 times that of the Sun. It's important to note that our understanding of the universe is continually evolving, and new discoveries may provide more information about even larger stars in the future.

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Pluto: The dwarf planet

Pluto , once considered the ninth planet in our solar system, is now classified as a dwarf planet. In 2006, the International Astronomical Union (IAU) redefined the criteria for classifying planets, leading to Pluto's reclassification as a "dwarf planet." According to the IAU definition, a celestial body must orbit the Sun, be spherical in shape, and clear its orbit of other debris to be considered a planet. Education on planets/solar system is essential for advancing our understanding of the universe, fostering technological innovation, addressing environmental challenges, exploring the potential for extraterrestrial life, and inspiring future generations of scientists and explorers. For More Planetary Facts & Space Animation: Space Balls Videos

Does mars have gravity?

About Mars Gravity : Yes, Mars does have gravity, but it is weaker than Earth's gravity. The surface gravity on Mars is about 38% of the gravity on Earth. This means that objects on Mars weigh less than they do on Earth. The strength of gravity on a planet depends on its mass and size. Mars is smaller and less massive than Earth, so its gravitational force is weaker. The surface gravity on Mars is approximately 3.72076 meters per second squared (m/s²), compared to Earth's gravity, which is about 9.81 m/s². Despite the lower gravity, Mars still has enough gravitational force to hold onto its atmosphere and allow for various geological features on the planet's surface. For More Planetary Facts & Space Animation: Space Balls Videos

How far is mars from earth?

The distance between Mars and Earth varies as both planets have elliptical orbits around the Sun. On average, Mars is about 225 million kilometers (140 million miles) away from Earth. However, this distance can change significantly as both planets orbit the Sun at different speeds and in different paths. The closest approach, known as opposition, occurs approximately every 26 months, when Mars and the Sun are on directly opposite sides of Earth. At opposition, Mars can come as close as about 54.6 million kilometers (33.9 million miles). The farthest distance between the two planets occurs when Mars is on the opposite side of its orbit from Earth. For More Planetary Facts & Space Animation: Space Balls Videos

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