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85 Fakta Mencengangkan Tentang Luar Angkasa yang Belum Pernah Anda Dengar

SISI TERANG・30 minutes read

Our solar system holds many mysteries, from potential hidden planets to unique geological features on Mars and Pluto. Research reveals fascinating information about the age, composition, and characteristics of planets and celestial bodies within our solar system, shedding light on their intriguing nature.

Insights

  • Venus boasts strong winds, with its top wind velocity surpassing the planet's rotation speed by 50 times, showcasing the intense atmospheric dynamics of this celestial body.
  • Evidence indicates that liquid water once flowed on Mars, with seasonal changes in dark lines on the Martian surface suggesting potential water activity, hinting at the planet's intriguing geological history and potential habitability in the past.

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Recent questions

  • What is the potential secret giant planet behind Neptune?

    Planet Nine

  • What is the oldest material confirming the solar system's age?

    Meteorites

  • Why does Venus have strong winds?

    Top wind 50 times faster than rotation speed

  • What is the by-product of volcanic activity on Mars?

    Methane

  • What caused Uranus to rotate sideways?

    Past powerful collision

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Summary

00:00

"Secrets of Our Solar System Revealed"

  • Our solar system is home to mysterious phenomena, including a potential secret giant planet behind Neptune, ice-spitting volcanoes on Pluto, and Mars' giant canyons as vast as the United States.
  • The solar system has existed for 4.6 billion years, with meteorites as the oldest material confirming this age.
  • Venus has strong winds, with the top wind blowing 50 times faster than the planet's rotation speed.
  • Methane on Mars, a by-product of volcanic activity, puzzles astronomers due to its changing volume and uncertain origin.
  • Pluto was once a planet but is now classified as a dwarf planet, with a diameter smaller than the United States' length.
  • Uranus rotates sideways, possibly due to a past powerful collision, comprising 99.86% of the solar system's mass.
  • Tectonic activity occurs on Mercury, with cliff-like plains indicating rapid decrease due to such activity.
  • The asteroid belt between Mars and Jupiter is not as dangerous as depicted in sci-fi films, with asteroids spaced far apart.
  • The Kuiper belt behind Neptune contains giant ice objects, with scientists unable to predict their movement patterns.
  • Mars' volcanoes release ice, forming new volcanoes due to ice expansion, while Saturn's moon, Iapetus, displays two distinct colors.

17:34

"Mars Rocks Hold Clues to Planet's Past"

  • A research team has photographed around 60,000 Martian rocks of various sizes distributed randomly.
  • The rocks may have formed during different ice ages, potentially trapping rock gases or microbes inside.
  • A powerful meteorite impact on Mars 4 billion years ago caused flash floods, melting surface ice and changing the planet's geological structure.
  • Evidence suggests liquid water once flowed on Mars, with dark lines on the ground growing in Pan season and shrinking in winter.
  • Mars was likely habitable in the past, with robots currently inhabiting the planet for research purposes.
  • Falling into a black hole may not necessarily destroy you, with survival more likely in a large black hole than a small one.
  • Tears won't flow down in space, and fire can't burn due to the lack of oxygen.
  • Zombie stars like lp40365 are partially burned white dwarfs that survive large supernova explosions.
  • The Earth's core is as hot as the sun's surface, reaching around 6000 degrees Celsius.
  • Mars has the largest volcano in the solar system, Olympus Mons, due to weak gravity and lack of tectonic plate movement.

35:50

Resilient water bears, lunar weight, Uranus composition.

  • Tardigrades, also known as water bears, are incredibly resilient microscopic creatures that can survive extreme conditions such as high radiation, cold, and even outer space for 10 days by hibernating in a ball to reduce oxygen and food needs.
  • The moon's gravity is about 1/6th of Earth's, making you weigh significantly less on the moon and able to carry heavier objects, but walking can be challenging due to sinking into the soil and the presence of deep craters.
  • Uranus has a cold rocky core surrounded by an ice mantle made of ammonia, water, and methane, with an atmosphere mainly composed of hydrogen and helium, giving the planet its greenish-blue color.
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