10 Interesting Fact About Space exploration and astronomy

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• The biggest planet in our solar system is Jupiter, which has a diameter of around 86,881 miles.
• The closest star to the earth is Proxima Centauri, which is about 4.24 light years from us.
• Earth around the sun every 365.25 days, which why we have a leap year every four years.
• There are more than 100 billion galaxies in the universe that are visible, and each can have hundreds of billions of stars.
• The only natural satellite of the earth is the moon, which is the fifth largest satellite in the solar system.
• There are about 2,000 known asteroids that can cross the orbit of the earth.
• The only planet that has an atmosphere that can be inhaled by humans is the earth.
• Cosmic rays consisting of charged particles such as protons and electrons continuously flowing to the earth from outer space.
• Comet is a sky object consisting of ice, dust, and rocks that orbits the sun.
• Hubble Telescope, which was launched in 1990, has taken more than 1.4 million images from the universe.