Tag: the universe

Questions Related to the universe

Besides our own galaxy there are about ______ other galaxies scattered all over the universe.

physics the universe types of galaxies galaxies constellations

  1. 2 billion

  2. 100 billion

  3. 10000 billion

  4. 1000000 billion

Show answer
Correct Option: B
Explanation:
Besides our own galaxy, there are about 100 billion other galaxies scattered all over the universe.
Its a fact.

State whether true or false:

Milky Way is a family of stars, with dust and hydrogen, to which our Sun belongs.

physics the universe types of galaxies galaxies constellations

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

A galaxy is vast collection of stars, dust and hydrogen gas. The solar system, our own Sun and its family or its family of planets belongs to a particular galaxy known as the Milky Way. In this way, our Sun and its family members constitute a small fraction of the galaxy.
Hence, the statement is true.

The spiral and disc shaped galaxy in which, our solar system is located is named -

physics the universe types of galaxies galaxies constellations

  1. Milky way galaxy

  2. Andromeda galaxy

  3. Cartwheel galaxy

  4. Sunflower galaxy

Show answer
Correct Option: A
Explanation:

Our solar system is a part of the Milky way galaxy which is one of the numerous galaxies in the universe. Its name "milky" is derived from its appearance as a dim glowing band arching across the night sky in which the naked eye cannot distinguish individual stars.

Fill in the blank:

Milky Way is a __________.

physics the universe types of galaxies galaxies constellations

  1. spiral galaxy

  2. irregular galaxy

  3. elliptical galaxy

  4. quasar

Show answer
Correct Option: A
Explanation:
When looked from top or bottom, Milky Way looks in spiral shape. Hence correct option is A.

State whether true or false:

Our solar system belongs to Seyfert galaxy. 

physics the universe types of galaxies galaxies constellations

  1. True

  2. False

Show answer
Correct Option: B
Explanation:
The Milky Way is the galaxy that contains our solar system.

Fill in the blank:

The billions of stars which occur in the form of groups or clusters are commonly called _______ .

physics the universe types of galaxies galaxies constellations

  1. galaxies

  2. nebula

  3. plutons

  4. stellar

Show answer
Correct Option: A
Explanation:
A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction is galaxy.
The galaxy of which the solar system is a part; the Milky Way.

Galileo's observations that venus shows all  of the phases, was important because, it discredited?

physics the universe planets of the solar system solar system and sun introduction to solar system

  1. Newtons law of gravitation.

  2. The Copernican theory

  3. Keplers Harmonic Law

  4. The Ptolemaic Theory

Show answer
Correct Option: D

All the planets in the solar system revolve around the Sun in same plane. This statement is

physics the universe planets of the solar system solar system and sun introduction to solar system

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

Most of the planets orbit the Sun very near the same plane in which the Earth orbits, the ecliptic.
The orbits of the planets are ellipses with the Sun at one focus, though all except Mercury are very nearly circular. The orbits of the planets are all more or less in the same plane (called the ecliptic and defined by the plane of the Earth's orbit). The ecliptic is inclined only 7 degrees from the plane of the Sun's equator.
Hence, the statement is true.