It is impossible to see a
The full form of 'SOHO' is
The best way to study sun is to send
Astronomers can pick up radio waves from galaxies that are
The fuel of sun is hydrogen gas. It turns into helium by nuclear fusion
The telescopes that use mirrors instead of lenses are known as
In clear night we can count approximately
Fortunately, we can study stars by
The temperature in the 'sunspots' is
The stars we see are just a small proportion of
Space is getting bigger and galaxies are
The brightest star that can be seen from earth is
Radiations help us to measure the movement of
Although Sirius looks like one bright star but actually it is
After supernova, the core may remain as a
As a star collapses itself, it becomes extremely
At night when we look up, we see
The brightness of a star depends not only on emission of light, but also on the
Finally, the sun will cool down and end its life as a cold, dark body called
The star "Betelgeuse" belongs to the constellation named
'Spiral galaxies' were made by
It takes many years for the light of stars to reach
The view of space from earth keeps on changing because the earth is
Small telescopes have lenses to make faraway objects look
Our 'solar system' belongs to
The 'Solar Dynamics Observatory' is a
'Ulysses' was expected to last only for
The belt of 'constellations' is called
A light year is almost
Like other galaxies, the whole milky way is travelling through
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