Space

Which one of the following is a spacecraft?

“The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to :

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

Scientists of Britain have built ‘Gravity Tractor’. Identify the same from the following.

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

Gravitational waves were seen for the first time in :

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 concept of expanding universe is based on–

Consider the following phenomena : 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps or curves the space-time. Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media ?

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