Space Science and Technology

A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved

Consider the following statements regarding Multiple Independently targetable Re-entry Vehicle (MIRV):
1. India possesses MIRV technology along with Russia, The USA, China, France and Brazil.
2. It is a ballistic missile payload containing several warheads, each capable of hitting one of a group of targets.
Select the correct code.

Multi-Application Solar Telescope (MAST), Asia's biggest telescope is situated in _____ ?

Which planet does not have rings around them?

Recently India has successfully launched a ‘Canister-Based’ nuclear capable AGNI-V missile. Consider the following regarding this:
$1$. An advantage of canister based system is, it can be used for the launch of any missile irrespective of its size.
$2$. AGNI-V is the first missile to be tested on Canister based launch system.
Select the correct code.

ISRO's Polar Satellite Launch Vehicle (PSLV) successfully launched a remote sensing satellite of which country on $28$th February$2021$?

 What was the name of the first artificial satellite launched by India in $1975$? 

Where did Union Minister of Earth Sciences Dr. Harsh Vardhan virtually inaugurate India’s highest Meteorological Centre?

IC $1101$ is a ______.

The headquarters of the Indian Institute of Astrophysics is located in _____. 

On which of the following planet NASA sent the curiosity rover?

In January $2019$, researchers from ....... revealed that they had recreated space fuel by simulating interstellar conditions in the laboratory.

In January$2019$, NASA’s Transiting Exoplanet Survey Satellite (TESS) discovered its third small exoplanet, named HD $21749\text{b}$ in the
constellation

NASA launched the world's smallest and lightest satellite, Kalamsat on $22$ June $2017$ devised by $18$-year-old _____ and his team
from Tamil Nadu.

Europa is a natural satellite of-

In the life cycle of a star, the stage nebula refers to-

Which of the following planets is NOT a Jovian planet?

Which of the following statements about Ganymede is NOT correct?

Once a satellite has been launched into orbit, the only force governing its motion is the force of ______

What is the periodicity of Halley's comet?