Interesting Black Hole Facts
Don't be fooled by the name: a black hole is anything but empty space. Rather, it is a large amount of matter packed into a very small area - imagine a star ten times more massive than the Sun crammed into a sphere the size of New York City. As a result, nothing, not even light, can escape the gravitational field. NASA instruments have
Interesting Facts About Earth
Our home planet, Earth, is the third planet from the sun. While scientists continue to look for signs of life beyond Earth, our planet remains the only place in the universe where we've found living organisms. Earth is the solar system's fifth-largest planet. It is smaller than the four gas giants, Jupiter, Saturn, Uranus, and Neptune, but larger than the three rocky planets, Mercury, Mars, and Venus. The Earth has a diameter of approximately 8,000 miles (13,000 kilometres) and is mostly round due to gravity's tendency to pull matter into a ball. However, the Earth's spin causes it to be squashed at its poles and swollen at its equator, resulting in the true shape of the Earth being a "oblate spheroid." Our planet is unique for many reasons, but the availability of water and oxygen are two that stand out. Water covers roughly 71% of the Earth's surface, with the majority of that water found in our planet's oceans. Plants produce about one-fifth of the oxygen in the atmosphere.
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Interesting Jupiter Facts
Jupiter is the largest planet in the Solar System and the fifth planet from the Sun. It is a gas giant with a mass that is more than two and a half times that of all the other planets in the Solar System combined, but is only about one-thousandth the mass of the Sun. Jupiter, after the Moon and Venus, is the third brightest natural object in the Earth's night sky, and it has been observed since prehistoric times. It was named after Jupiter, the Roman god and king of the gods. Jupiter is mostly made up of hydrogen, but helium accounts for one-quarter of its mass and one-tenth of its volume. It most likely has a rocky core of heavier elements[16], but it lacks a well-defined solid surface, as do the other giant planets in the Solar System. Jupiter's interior continues to contract, generating more heat than it receives from the Sun. The planet's shape is an oblate spheroid due to its rapid rotation, with a slight but noticeable bulge around the equator. The outer atmosphere is divided into latitudinal bands, with turbulence and storms forming along their interacting boundaries. The Great Red Spot, a massive storm that has been observed since at least 1831, is one notable result of this.Jupiter is encircled by a faint ring system and a powerful magnetosphere. Jupiter's magnetic tail is nearly 800 million km (5.3 AU; 500 million mi) long, spanning nearly the entire distance between Jupiter and Saturn's orbit. Jupiter has 80 known moons and possibly many more,including Galileo Galilei's four large moons discovered in 1610: Io, Europa, Ganymede, and Callisto. Io and Europa are roughly the size of the Earth's Moon; Callisto is nearly the size of Mercury, and Ganymede is larger.
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Jupiter is the largest planet in the Solar System and the fifth planet from the Sun. It is a gas giant with a mass that is more than two and a half times that of all the other planets in the Solar System combined, but is only about one-thousandth the mass of the Sun. Jupiter, after the Moon and Venus, is the third brightest natural object in the Earth's night sky, and it has been observed since prehistoric times. It was named after Jupiter, the Roman god and king of the gods. Jupiter is mostly made up of hydrogen, but helium accounts for one-quarter of its mass and one-tenth of its volume. It most likely has a rocky core of heavier elements[16], but it lacks a well-defined solid surface, as do the other giant planets in the Solar System. Jupiter's interior continues to contract, generating more heat than it receives from the Sun. The planet's shape is an oblate spheroid due to its rapid rotation, with a slight but noticeable bulge around the equator. The outer atmosphere is divided into latitudinal bands, with turbulence and storms forming along their interacting boundaries. The Great Red Spot, a massive storm that has been observed since at least 1831, is one notable result of this.Jupiter is encircled by a faint ring system and a powerful magnetosphere. Jupiter's magnetic tail is nearly 800 million km (5.3 AU; 500 million mi) long, spanning nearly the entire distance between Jupiter and Saturn's orbit. Jupiter has 80 known moons and possibly many more,including Galileo Galilei's four large moons discovered in 1610: Io, Europa, Ganymede, and Callisto. Io and Europa are roughly the size of the Earth's Moon; Callisto is nearly the size of Mercury, and Ganymede is larger.
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Interesting Mars Facts
Mars is the Sun's fourth planet – a dusty, cold desert world with a very thin atmosphere. Mars is also a dynamic planet, with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was once even more active.Mars is one of our solar system's most explored bodies, and it's the only planet where we've sent rovers to explore the alien landscape.NASA is currently exploring the surface of Mars with two rovers (Curiosity and Perseverance), one lander (InSight), and one helicopter (Ingenuity).
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Interesting Mercury Facts
Mercury is our solar system's smallest planet and the closest to the sun. The tiny planet has no moon and orbits the sun faster than any other planet, which is why the Romans named it after their swift-footed messenger god.Mercury was also known to the Sumerians at least 5,000 years ago. According to a site connected to NASA's MESSENGER (Mercury Surface, Space Environment, Geochemistry, and Ranging) mission, it was frequently associated with Nabu, the god of writing. Mercury was also given distinct names for its appearance as a morning and evening star. However, Greek astronomers recognised that the two names referred to the same body, and Heraclitus, around 500 B.C., correctly assumed that both Mercury and Venus orbited the sun, rather than Earth.Mercury is the second densest planet after Earth, with a massive metallic core that spans 2,200 to 2,400 miles (3,600 to 3,800 kilometres), accounting for roughly 75% of the planet's diameter. Mercury's outer shell is only 300 to 400 miles (500 to 600 kilometres) thick. For years, scientists have been perplexed by the combination of its massive core and composition, which includes an abundance of volatile elements.Mercury is the second densest planet after Earth, with a massive metallic core that spans 2,200 to 2,400 miles (3,600 to 3,800 kilometres), or roughly 75% of the planet's diameter. Mercury's outer shell is only 300 to 400 miles (500 to 600 km) thick. Scientists have been perplexed for years by the combination of its massive core and composition, which includes an abundance of volatile elements.
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Interesting Milky Way Facts
Astronomers are busy charting the spiral structure of our galaxy, the Milky Way, just as early explorers did with the continents of our planet. Scientists discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars using infrared images from NASA's Spitzer Space Telescope. Our galaxy was previously thought to have four major arms. The annotated artist's concept depicts the new Milky Way view. The two major arms of the galaxy (Scutum-Centaurus and Perseus) can be seen attached to the ends of a thick central bar, while the two now-defunct minor arms (Norma and Sagittarius) are less distinct and located between the major arms.
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Interesting Moon Facts
The Moon is Earth's only natural satellite and the closest large celestial body. It has been known since prehistoric times and is the second brightest object in the sky after the Sun. It is represented by the symbol ☽. Its English name, like Earth's, is derived from Germanic and Old English.Throughout history, the Moon's desolate beauty has piqued people's interest and inspired a rich cultural and symbolic tradition. The Moon was revered as a deity in ancient civilizations, and its dominion was evident in its rhythmic control over the tides and the cycle of female fertility. The Moon's power to instil magic in spells, transform humans into beasts, and send people's behaviour swaying perilously between sanity and lunacy (from the Latin luna, "Moon") is told in ancient lore and legend.
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Interesting Neptune Facts
Neptune, the eighth and most distant planet in our solar system, is dark, cold, and whipped by supersonic winds. Neptune, which is more than 30 times as far away from the Sun as Earth, is the only planet in our solar system that cannot be seen with the naked eye and was the first predicted by mathematics prior to its discovery. Neptune completed its first 165-year orbit since its discovery in 1846 in 2011.
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Interesting Pluto Facts
Pluto, once thought to be the ninth and most distant planet from the sun, is now the solar system's largest known dwarf planet. It is also one of the largest known members of the Kuiper Belt, a shadowy zone beyond Neptune's orbit thought to be home to hundreds of thousands of rocky, icy bodies each larger than 62 miles (100 kilometres) across, as well as a trillion or more comets. Pluto was reclassified as a dwarf planet in 2006, which was widely regarded as a demotion. Since then, the question of Pluto's planet status has sparked controversy and debate in the scientific community as well as among the general public. In 2017, a science group (including New Horizons mission members) proposed a new definition of planethood based on "round objects in space smaller than stars," which would increase the number of planets in our solar system from 8 to approximately 100.
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Interesting Saturn Facts
Saturn is the sixth planet from the Sun and, after Jupiter, the second-largest planet in the Solar System. It is a gas giant with a radius approximately nine and a half times that of Earth. Saturn has one-eighth the average density of Earth, but due to its larger volume, it is over 95 times more massive.
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Interesting Space Facts
Space is a limitless three-dimensional expanse in which objects and events occur with relative position and direction. A number of articles deal with the subject of space. See metaphysics for a philosophical examination of the subject. See relativity for more information on the relativity of space and time. See Cosmos for a definition of space as the region of the universe beyond the Earth and its atmosphere. See space exploration for coverage of the scientific investigation of this region.
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Interesting Facts About Sun
The Sun is the largest object in the solar system by a long shot. It accounts for more than 99.8% of the Solar System's total mass (Jupiter contains most of the rest). The Sun is frequently described as a "ordinary" star. That is correct in the sense that there are numerous others that are similar. However, smaller stars outnumber larger stars by a factor of ten; the Sun is among the top ten percent of stars in terms of mass. Our galaxy's median star size is probably less than half the mass of the Sun.
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Interesting Facts About Universe
IN THE UNIVERSE, history and science collide from the planets to the stars and out to the edge of the unknown. It's a wondrous yet deadly journey through space and time, with ground-breaking new discoveries and even more stunning high-definition computer animations. Although it has been fifty years since man first ventured into space, the heavens are only now beginning to reveal their greatest secrets. New phenomena are discovered almost daily, such as the recent destructive impact on Jupiter by a comet or asteroid nearly the size of Earth.
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Uranus is the least massive of the solar system's four giant, or Jovian, planets, which also include Jupiter, Saturn, and Neptune. It is the seventh planet in distance from the Sun and the least massive of the solar system's four giant, or Jovian, planets. Uranus is only visible to the naked eye as a blue-green point of light at its brightest. It's identified by the symbol ♅.
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Interesting Facts About Venus
Venus is the planet second closest to the Sun. It is named after Venus, the Roman goddess of beauty and love. After the Moon, Venus is the brightest natural object in Earth's night sky, and it can cast shadows and be seen by the naked eye in broad daylight. Because Venus orbits Earth, it never appears to travel far from the Sun. The majority of the time, Venus is either a morning or an evening star, rising in the east shortly before dawn or setting in the west shortly after dusk. Every 224.7 Earth days, Venus orbits the Sun. It has a sidereal rotation period of 243 Earth days and a synodic day length of 117 Earth days.
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Interesting Facts About Titan Moon
Titan is Saturn's largest moon and the solar system's second largest (after Ganymede of Jupiter).It is the solar system's only moon with clouds and a dense, planet-like atmosphere. Scientists believe Titan's conditions are similar to those of Earth's early years (the main difference is that, because it is closer to the sun, Earth has always been warmer).According to NASA, "Titan, Saturn's largest moon, is one of the most Earth-like worlds we have discovered to date."
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