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Answer:
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Explanation:
Q1.
1. The main difference between stars and planets is that stars have high temperatures compared to planets. ... Because they radiate energy, stars are very bright objects. Planets do not generate their own energy through nuclear reactions. They reflect some of the radiation coming from their parent star.
2. Earth is special because it is an ocean planet. Water covers 70 percent of Earth's surface. Earth's atmosphere is made mostly of nitrogen and has plenty of oxygen for us to breathe.
3.In our Solar System, there are eight planets. The planets in order from the Sun based on their distance are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
4. The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
5. the collection of eight planets and their moons in orbit round the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
Q2.
1. Earth is the fifth largest of the planets in the solar system. It's smaller than the four gas giants — Jupiter, Saturn, Uranus and Neptune — but larger than the three other rocky planets, Mercury, Mars and Venus. ... Water covers roughly 71 percent of Earth's surface, and most of that is in the oceans.Our home planet provides us with life and protects us from space. Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life.
2. The Moon is Earth's largest natural satellite. We usually see it in the night sky. Some other planets also have moons or natural satellites. Our moon is about a quarter the size of the Earth. ... The Moon is a rocky and dusty place.The moon is a cold, dry orb whose surface is studded with craters and strewn with rocks and dust (called regolith). The moon has no atmosphere. Recent lunar missions indicate that there might be some frozen ice at the poles. The same side of the moon always faces the Earth.
Q3.
1. Venus
2. Mercury
3. Circular
4. North
5. I think constellation