Universe MCQ Question and Answer | Geography MCQ Question

NASA’s Deep Impact space mission was employed to take detailed pictures of Tempel 1 comet nucleus. It is a periodic Jupiter-family comet that was discovered in 1867 by Wilhelm Tempel. As per the research, it completes an orbit of the sun every 5.5 years of time.

Statement relating to the planet Venus that is correct is it is only slightly smaller than the Earth.

The strongest evidence that comets are members of our solar system comes from their composition.

Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days. Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.

A supernova is an event that occurs upon the death of certain types of stars. Supernovae are more energetic than novae. In Latin, nova means "new", referring astronomically to what appears to be a temporary new bright star. Adding the prefix "super-" distinguishes supernovae from ordinary novae, which are far less luminous. The word supernova was coined by Walter Baade and Fritz Zwicky in 1931.

Mars has two satellites Deimos & Phobos. Although Jupiter has 63 satellites but none of them is named as Deimos.

Venus is the brightest planet of solar system visible during evening & morning in the Sky. Hence termed as evening & morning star.

75% of the Sun's mass is Hydrogen. Hence, Hydrogen gases is most predominant in the Sun.

Mercury, the planet nearest to the Sun has no satellite (Moon).

As Earth follows an elliptical path around the Sun its distance from the Sun never remains constant. It is nearest to the Sun on January 3rd (Perihelion) & farthest from the Sun on July 4 (Aphelion).