movement of material at the Sun's visible surface. Blue regions are moving towards the spacecraft and red regions are moving away. This is a tachogram — a map showing the speed and direction of ...

The observatory is believed to date back to the sixth century B.C. It was constructed with mud bricks and was used to track the movement of the sun and the stars. According to Ayman Ashmawy ...

NASA have also spoken about the 'sounds of the sun' as their Heliospheric Observatory (SOHO) has captured the dynamic movement of the Sun’s atmosphere for over 20 years. They say "we can hear th ...

It marks the movement of the Sun away from Makar (Capricorn) to the north signifying the last day of the month of Paush. Offering thanksgiving to the Sun God, Lohri heralds the beginning of the ...