Which statement provides the best evidence that the Earth has nearly spherical shape?
The Sun has a spherical shape.
The altitude of polaris changes with the observer's latitude in the Northern Hemisphere.
Star trails photographed over a period of time show a circular path.
The length of noontime shadows change throughout the year.
Millions of stars together form a group called
Nebula
Universe
System
Galaxy
Which of the following planet has the highest surface temperature?
Jupiter
Mercury
Saturn
Neptune
What are made of solid materials?
Stars
Planets
Sky
Comets
The vast space containing all the celestial bodies is called
Star
Which one of the following is a small celestial body revolving around a planet?
Meteor
Satellite
Comet
The speed needed for a gas molecule to escape from a planet?
Orbital speed
Solarwind speed
Speed of light
Escape velocity
Which is the hottest planet in our solar system?
Uranus
Earth
Mars
Venus
Which planet rotates on its side?
Which is the only natural satellite of the Earth?
Sun
Moon