GK Quiz on Space for Competitive Exams

Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of the universe?

1. Detection of microwaves in space
2. Observation of redshift phenomenon in space
3. Movement of asteroids in space
4. Occurrence of supernova explosions in space

Select the correct answer using the codes given below:

The terms ‘Event Horizon’, ‘Singularity’, `String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of –

Consider the following phenomena :

1. Light is affected by gravity.
2. The Universe is constantly expanding.
3. Matter warps its surrounding space-time.

Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in the media?

Which of the following statements associated with the universe are true?

1. The universe is getting cooler incessantly.
2. Hydrogen and Helium accounts for more than 95% of the universe.
3. Gravitational waves travel slower than the light.

Choose the correct statements regarding the Big Bang Theory.

1. Big Bang Theory is based on the universal applicability of physics laws.
2. The universe is expanding in particular directions.
3. The temperature has been variably increasing and decreasing during singularity, inflation, and cooling.

At what time the fundamental forces started falling apart?

Planck Epoch, Grand Unification Epoch, Electroweak Epoch are the phases of which stage?

Choose the correct options regarding Cosmic Microwave Background.

1. It is the leftover of the Big Bang.
2. It supports the concept of Universe expansion.
3. It is easily detected by a traditional telescope.

At what stage galaxies, stars, planets, etc came in existence?

At what stage, all the fundamental forces were completely separated?

Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation?

A team of scientists at Brookhaven National Laboratory including those from India created the heaviest antimatter (anti-helium nucleus). What is/are the implication/ implications of the creation of antimatter?

1. It will make mineral prospecting and oil exploration easier and cheaper.
2. It will help probe the possibility of the existence of stars and galaxies made of antimatter.
3. It will help understand the evolution of the universe.

Select the correct answer using the codes given below :

What is the purpose of the ‘evolved Laser Interferometer Space Antenna (eLISA)’ project?

The concept of Chandrasekhar limit is related to-

Which of the following observation/s regarding the first-ever captured image of a black hole is/are true?

1. The image is captured by cooperating both Event Horizon Telescope and Hubble Space Telescope
2. The black hole is present in Messier 87 galaxy
3. The black hole contains mass equal to the mass 6.5 billion suns.