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Astronomy and Astrophysics

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The two moons of Mars are called …

a)

Tritos and Desmos

b)

Phobos and Tritos

c)

Tritos and Deimos

d)

Phobos and Deimos

2.

DUNE is an experiment to detect which of the following?

a)

Cosmic ray particles

b)

Photons

c)

Gravitational waves

d)

Neutrino

3.

What is the name of the hazy band of light that arcs across the clear night sky?

a)

Great Rift

b)

Orion Nebula

c)

Milky Way

d)

Ecliptic

4.

How many parsecs are approximately 23 light years?

a)

6

b)

7

c)

8

d)

9

5.

Which messenger of astronomy is not a fundamental particle?

a)

Neutrinos

b)

Electromagnetic waves

c)

Cosmic rays

d)

Gravitational waves

6.

A black hole is always surrounded by an

a)

Accordion pleat

b)

Accretion disk

c)

Antimatter ring

d)

Aurora

7.

The axis of the Earth is tilted at an angle of approximately ... relative to the orbital plane around the Sun.

a)

20.3 degrees

b)

21.4 degrees

c)

22.7 degrees

d)

23.5 degrees

8.

Arrange the phases of Gravitational wave production through in spiral mechanism

a)

Spiraling - Merger - Ringdown

b)

Merger - Spiraling - Ringdown

c)

Ringdown - Spiraling - Merger

d)

Spiraling - Ringdown - Merger

9.

For a body in orbit around the Sun, the point in its orbit which is furthest from the Sun is called

a)

Antipodes

b)

Apogee

c)

Aphelion

d)

Apex

10.

Which one is the biggest moon of Jupiter?

a)

Io

b)

Europa

c)

Ganymede

d)

Calisto

11.

A core collapse supernova emits this messenger abundantly

a)

Gravitational waves

b)

Gamma rays

c)

Neutrinos

d)

Cosmic rays

12.

Which constellation of the Northern Hemisphere has a distinct "W" shape?

a)

Taurus

b)

Ursa Major

c)

Cassiopeia

d)

Pegasus

13.

Identify the image shown

a)

Microwave Telescope

b)

UV Telescope

c)

IR Telescope

d)

Radio Telescope

14.

Which astronomer is best known for referring to comets as "dirty snowballs"

a)

Fred Whipple

b)

Edwin Hubble

c)

Eugene Shoemaker

d)

William Herschel

15.

The Pleiades is an open star cluster that plays a role in many ancient stories and is well-known for containing ... bright stars.

a)

5

b)

7

c)

9

d)

12

16.

The uppermost region of the Sun is called the?

a)

Ionosphere

b)

Photosphere

c)

Corona

d)

Chromosphere

17.

Identify the Nebula

a)

Crab Nebula

b)

Orion Nebula

c)

Ring Nebula

d)

Waterfall Nebula

18.

Which of the following has its charge and its anti-particle's charge both to be equal to zero? (More than 1 option is correct)

a)

Muon Neutrino

b)

Electron Neutrino

c)

Tau Neutrino

d)

Cosmic ray particles

19.

What is the most prominent part of the comet to an unaided eye.

a)

Ion Tail

b)

Coma

c)

Dust Tail

d)

Nucleus

20.

The planet Jupiter orbits the Sun in ...

a)

12 years

b)

15 years

c)

18 years

d)

23 years

21.

Radio telescopes are crucial for astronomical observations. Which one of these well-known radio telescopes has the largest parabolic antenna?

a)

Green Bank Telescope

b)

Yevpatoria RT-70 Telescope

c)

Arecibo Telescope

d)

Effelsberg Telescope

22.

Which is not a satellite of Neptune?

a)

Triton

b)

Naiad

c)

Nereid

d)

Umbriel

23.

Identify the detector

a)

Super-Kamiokande

b)

IceCube

c)

DUNE

d)

TRACER

24.

As the life of a star progresses, heavy elements are produced. The elements form layers around the star in this order (starting from the outer layer):

a)

H → He → Li → N → O → Si → Fe

b)

H → He → Li → O → Ne → Si → Fe

c)

H → He → C → O → Ne → Si → Fe

d)

H → He → C → N → O → Si → Fe

25.

Which comet left the debris which we call Perseids?

a)

Temple-Tuttle

b)

Swift-Tuttle

c)

Halley

d)

Encke