1- The temperature at the surface of the sun is about -2- The light from the sun reaches the earth -39-s surface in about -3- The asteroid belt lies between the orbits of - and -4- The constellation which has a group of seven stars is called -

1. The temperature at the surface of the Sun is about 6,000 nbsp; deg;C.Explanation: The temperature of the surface of the Sun is very high. It is approxima ...

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Standard VI

Physics

Dwarf Planet

1. The temper...

Question

1. The temperature at the surface of the sun is about .
2. The light from the sun reaches the earth's surface in about .
3. The asteroid belt lies between the orbits of and .
4. The constellation which has a group of seven stars is called _____.

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Solution

1. The temperature at the surface of the Sun is about 6,000 °C.

Explanation: The temperature of the surface of the Sun is very high. It is approximately 6,000-degree centigrade. The temperature at the centre of the Sun is around 1,50,00,000-degree Celsius.

2. The light from the Sun reaches the Earth's surface in about 8 minutes and 20 seconds.

Explanation: The Sun is approximately 15 crore kilometres from the Earth. Light travels at a speed of 3,00,000 kilometres per second. So, it takes around 8 minutes and 20 seconds to reach the surface of the Earth.

3. The asteroid belt lies between the orbits of Mars and Jupiter.

Explanation: Asteroids are small solid objects revolving around the Sun in orbits. They are also known as planetoids or minor planets. Millions of asteroids have been found between the orbits of Mars and Jupiter.

4. The constellation which has a group of seven stars is called Saptarshi.

Explanation: A constellation is a group of stars in a particular pattern. The constellation that is visible through our naked eyes is Saptarshi, which is a group of seven stars.

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Similar questions

Q. 1. The temperature at the surface of the sun is about __________.
2. The light from the sun reaches the earth's surface in about ____________.
3. The asteroid belt lies between the orbits of __________ and ____________.
4. The constellation which has a group of seven stars is called _____________.

Fill in the following blanks with suitable words:

(a) The stars appear to ___ in the sky.

(b) The sun is a ___ whereas Orion is a ___.

(d) The brightest star in the night sky is ___.

(e) Ursa Major constellation appears to revolve around the ___ star in the night sky.

(f) Orion constellation can be used to locate the position of ___ star whereas Ursa Major constellation can be used to locate the ___ star in the night sky.

(g) The planet which is farthest from the sun is ___.

(h) The planet which appears reddish in colour is ___.

(i) The small heavenly bodies revolving around the sun between the orbits of mars and jupiter are called ___.

(j) Asteroids are found between the orbits of ___ and ___.

(k) Shooting stars are actually not ___.

(l) A celestial body that revolves around a planet is known as ___.

(m) A meteoroid becomes a ___ on entering Earth's atmosphere.

(n) The long distance transmission of television programmes has been made possible with the help of ___ satellites.

Q. The radiation emitted by a star