General Physica...

The Soyuz is a Russian spacecraft which is like a lifeboat for the space station. At least one Soyuz is always docked at the space station. Which of the following statements are correct about Soyuz?
(i) It carries people and supplies to and from the space station.
(ii) The crew rides in the part of the spacecraft called a capsule.
(iii) Upto three astronauts or cosmonauts can ride in a Soyuz capsule.

Different stars have a number of physical characteristics that vary for each of the different types of stars. Which quality determines, the fate of a star as black hole upon its death?

Vesta was first discovered on March $$29, 1807$$ by Heinrich Wilhelm Olbers. It rotates on its axis every $$5.342$$ hours and has an axial tilt of $$29^o$$. According to several NASA scientists, It is the parent body of many meteorites. Which of the following statements is correct regarding Vesta?

In the study of black holes, what do you call a star that is produced by a supernova?

The appearance of which of the following constellations in the east from Northern hemisphere is the first sign of spring?

Mars has about $$\underline{(i)}$$ the gravity of Earth while Pluto has about $$\underline{(ii)}$$ the gravity of Earth. Select the option which correctly fills the blanks.

The first direct observation of an extra-terrestrial collision of a solar object was observed in July $$1994$$ when a comet collided with Jupiter. This collision provided new information about Jupiter and highlighted its role in reducing space debris in the inner solar system. What is the name of that comet?

Which of the following statements is correct about the galaxy Milky Way?

Which of the following Moons in the solar system is known to have its own magnetic field?

Read the given paragraph and select the option which correctly fills the blanks.
When stars run out of fuel in their core, they bloat into $$\underline{(i)}$$ giants. After a few million years, the outer layers begin to 'puff off', forming a planetary nebulae, leaving behind only the dead core of mostly $$\underline{(ii)}$$ and $$\underline{(iii)}$$. They then become $$\underline{(iv)}$$ dwarf stars.