The surface of blue and white stars shines
The gas will slowly disappear and be left only in the
The whole universe was packed into a small mass about
Within seconds of explosion, atomic particles come together to make gases
Our sun is situated in one of the spiral arms of the
The radio waves are collected and changed in
The cloud of gas and dust forms a
To complete one rotation, sun takes approximately
A black hole may pull matter in from a nearby
The Earth's atmosphere acts as a filter to remove
Galaxies that have not any formed shape are known as
A reflecting telescope can collect light from a
Electrical signals are used to make radio
Our atmosphere makes it very difficult to study
Astrology was developed in order to predict how constellations would affect the
In 1779, Edward pigott discovered a galaxy named
The 'galaxies' are extremely
Besides milky way, there are
The number of basic shapes of 'galaxies' is
A revolution of earth takes about
Sunspots are not always at the same place on the
If galaxies further move apart, hydrogen will be used in the production of new
Solar panels are orbiting above the earth about
Ptolemy lived from 120 AD to
At light speed, reaching to sun from earth it will take approximately
Scientists believe that the whole universe is
Astronomers tuned up their telescopes to pick up radio waves from
After that gigantic explosion, our universe has been
The information sent by Ulysses is
Small mass is incredibly
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