Science General · Geography

Astronomy and Celestial Phenomena

1,839 Questions

This section provides practice questions on astronomy and celestial phenomena, focusing on eclipses, planetary movements, and tides. These concepts are commonly tested in general science sections of various competitive exams. Use this hub to practice questions related to the Earth, Moon, and solar system dynamics.

Solar and lunar eclipsesEquinoxes and solsticesPlanetary movementsOcean tidesCoriolis effectMeteor showers

Astronomy and Celestial Phenomena Questions

Multiple choice biology living in harmony climate factors abiotic components organisms and environment

Terrestrial life would become impossible with

  1. Disappearance of moon
  2. Decrease in mean annual temperature by $10^o C$

  3. Change in orbit of earth

  4. Change in atmosphere permitting all solar radiations to reach lithosphere
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The total amount of solar radiation reaching to the lithosphere do not enter the surface of the earth as it would heat up the earth making it unsuitable for any life. Therefore, 35% of the solar radiation are reflected back to the space.

So, the correct answer is option D.

Multiple choice physics sound: production of sound oscillation - amplitude, time period and frequency of oscillation time period, frequency and amplitude of sound oscillatory and periodic motion

Which of the following is an example of oscillatory motion? 

  1. Heart beat of a persion

  2. Motion of earth around the sun

  3. Motion of Hally's comet around the sun

  4. Oscillations of a simple pendulam
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oscillation of a simple pendulum is a simple harmonic motion.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

Many planets exhibit a special phenomenon called aurora at its poles due to a common property called

  1. ionisation

  2. magnetic fields

  3. electric fields

  4. chemical reactions
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Auroras occur when charged particles from the solar wind are funneled by a planet's magnetic field toward the poles, where they interact with the atmosphere.

Multiple choice history modern age in europe: the renaissance renaissance renaissance europe in transition india's contemporary economic condition reformation and enlightenment in europe reformation in europe

______ discovered that the earth revolves around the sun.

  1. Galileo

  2. Kepler

  3. Ptolemy

  4. Copernicus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In 1543, Nicolaus Copernicus published a new theory stating the earth revolves around the sun. This is known as the Copernican theory. This theory was considered a serious challenge to the Ptolemaic theory and the Roman Catholic Church. This was strongly supported by Galileo afterwards.

Multiple choice history the river valley civilisations: egyptian, mesopotamian and chinese civilisation ancient civilisations of the world egyptian, mesopotamian, and chinese civilization other ancient civilizations of the world

The Iron Age Chinese explained the astronomical phenomenon called ______________.

  1. 12 division of the sky

  2. The solar system

  3. Eclipses

  4. Constellations
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ancient Chinese astronomers were highly observant and were able to predict and explain astronomical events like eclipses, which were often seen as omens for the emperor.

Multiple choice

Earth Overshoot Day is?

  1. the date when we have used all the resources Earth can replace

  2. the date when we have raised enough food

  3. the date when we have passed the moon

  4. the date when Earth will die off
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Earth Overshoot Day marks the date when humanity's demand for ecological resources and services in a given year exceeds what Earth can regenerate in that year.