Rapidly rotating stars emitting intense radio waves are called ___.
Pulsars
Quasuars
Neutron stars
All of the above
- How many of the following statements are true?1. Mean Solar Day is greater than Sidereal Day approximately…
- What is significant about the town of Greenwich?
- Presently the farthest planet from the Sun is _____.
- Polar Auroras are called __ in Southern Hemisphere.
- Which planet is called 'Double Planet'?
- Halley's comet visits us after every.
- What is the position of the moon called when it la farthest from the earth?
- What is the unit of measurement of distance between celestial bodies?
- Sidereal means
- The tail of a comet is directed away from the Sun because
- A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those…
- On which date is the Earth in 'perihelion'?
- Polar Auroras are
- Who was the first person to describe the earth as a sphere?
- The time period elapsing between one New Moon and the next is approximately
- How much time is taken by the Moon in completing one revolution around the Earth?
- Which planet has the largest equatorial radius?
- Which planet does take the longest time in completing one revolution around the Sun?
- What is the difference between a lake and a tank?
- Which star la called the brightest star (Dog star)?
- Which two Planets do not have any satellites?
- To a space traveller stationed in Moon, during the day time the lunar sky will appear
- When does the Vernal Equinox occur?
- The solar eclipse takes place when
- What happens when ships cross the International Date Line?
- Which planet does experience a day almost of the same duration as the Earth?
- A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in…
- Which two planets do not have any satellites?1. Mercury2. Venus3. Saturn4. Pluto
- The inclination of the earth's axis, i.e. the earth's axis is tilted at an angle from a perpendicular…
- Largest satellite in Solar System is ____.