Variabel

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  <title>Space Exploration</title>
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    <a href="#apollo">Apollo Missions</a>
    <a href="#iss">International Space Station</a>
    <a href="#mars">Mars Rovers</a>
    <a href="#jameswebb">James Webb Telescope</a>
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    <h1>Space Exploration</h1>
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    <section id="apollo">
      <h2>Apollo Missions</h2>
      <p>
        The Apollo program, carried out by NASA in the 1960s and 1970s, 
        successfully landed humans on the Moon for the first time in 1969.
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    <section id="iss">
      <h2>International Space Station</h2>
      <p>
        The ISS is a multinational research laboratory in low Earth orbit, 
        continuously inhabited since 2000 by astronauts and scientists.
      </p>
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    <section id="mars">
      <h2>Mars Rovers</h2>
      <p>
        Rovers like Spirit, Opportunity, Curiosity, and Perseverance 
        have been exploring the Martian surface, searching for signs of past life.
      </p>
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    <section id="jameswebb">
      <h2>James Webb Space Telescope</h2>
      <p>
        Launched in 2021, the James Webb Telescope is providing 
        breathtaking images of the universe and studying distant galaxies.
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