 |
| https://i.pinimg.com/564x/7b/6b/9c/7b6b9c08f961b4d6d1dd353a638d3afd.jpg |
1.
What is the name of the first space tourist?
Correct Answer: Dennis Tito
Dennis
Tito became the first space tourist to fund his trip at the cost of
$20 million.
2.
What are the clouds of interstellar gas and dust
that emit light in different colors called?
Correct Answer: Emission nebulae
An emission
nebula is a cloud of high-temperature gas. The ultraviolet light from
the star ionizes nearby hydrogen atoms that emit visible light.
3. The
number of terrestrial planets in the solar system is:
Correct Answer: 4
Mercury to Mars is called the terrestrial planets, and
Jupiter to Neptune are called giant planets or Jovian planets.
4. The
atmosphere in Mars is mostly composed of:
Correct Answer: Carbon dioxide
According to astronomer Gerard P. Kuiperascertained, the
Martian atmosphere is composed mainly of carbon dioxide.
5. Which
is the name of a radio source that is very far from Earth?
Correct Answer: quasar
A quasar is
an astronomical object of very high luminosity found in the centres of some
galaxies. Its name is derived from the manner in which these objects were
discovered: via radio surveys of the sky. The name quasar means
“quasi-stellar radio
source.”
5. Which type of telescope is used for examining the moon
and other planets of the solar system?
Correct Answer: Refracting telescope
Refracting telescopes or refractors are used to study the
moon and other objects of the solar system.
6. In
which year did Soviet cosmonaut Valentina Tereshkova become the first woman
travel to space?
Correct Answer: 1963
Valentina
Tereshkova traveled into space on June 16, 1963, and completed 48
orbits in 71 hours.
7. Which
type of star is the Sun classified?
Answer: G2 V star
The Sun is
classified as a G2 V star. The spectra of G-type stars are dominated by the
characteristic lines of metals, particularly those of iron, calcium, sodium,
magnesium, and titanium.
8. When
did the Space Age begin?
Correct Answer: 1957
The Space
Age began on October 4, 1957, when the Soviet Union launched Sputnik 1,
the first artificial Earth satellite.
9. What
is a group of old stars closely packed in a symmetrical form called?
Correct Answer: Globular cluster
A globular
cluster is a large group of old stars giving symmetrical or rough
spherical appearance. It is the largest and most massive star cluster.
10. In
total, how many space flights were carried out by Spacelab?
Correct Answer: 25 flights
From 1983 to 1998, altogether 25 flights were made with
Spacelab for astronomical, solar, microgravity, life sciences, and materials
sciences research.
11. Which
of these objects is the farthest from the Sun?
90377 Sedna (or, simply, Sedna)
is 13 billion km (8.1 billion miles) from the Sun.
12. The
doughnut-shaped zones of highly energetic charged particles trapped at high
altitudes in the magnetic field of Earth are known as:
Correct Answer: Van Allen radiation belt
Named after James A. Van Allen, the Van
Allen radiation belt was discovered in the year 1958, using data
transmitted by the U.S. Explorer satellite.
13. What
is the acceleration of gravity at Earth''s surface?
At Earth’s surface, the acceleration of gravity is about 9.8
meters per second per second. Thus, for every second an object is in free fall,
its speed increases by about 9.8 meters per second.
14. Who
was the first person to enter outer space twice?
Correct Answer: Vladimir Komarov
Soviet cosmonaut Vladimir
Mikhaylovich Komarov is the first person to make two spaceflights and
the first human to die in a space flight.
15. The
day on which the Sun’s direct rays cross the celestial equator is called:
Correct Answer: the equinox
On the equinox,
the day on which the Sun’s path crosses the celestial equator, night and day
are of equal length.
16. Who
discovered the laws of planetary motion?
Correct Answer: Kepler
Johannes
Kepler a German astronomer discovered the three majorlaws
of planetary motion.
17. Who
was the first to suggest the idea of an artificial satellite?
Correct Answer: Sir Isaac Newton
The idea of an Earth
satellite in orbital flight was first suggested by Sir Isaac Newton in
his book Philosophiae Naturalis Principia Mathematica (1687).
18. Who
discovered the phenomenon of “Baily’s beads”?
Correct Answer: Francis Baily
Francis
Baily detected the phenomenon called “Baily’s beads" during an
annular eclipse of the Sun on May 15, 1836.
19. When
did the International Astronomical Union adopt the dwarf planet category?
Correct Answer: 2006
The International Astronomical Union adopted dwarf
planet category of solar system bodies in August 2006, designating
Pluto, Eris, and the asteroid Ceres as the first members of the category.
20. When
was the first extrasolar planet discovered?
Correct Answer: 1992
Extrasolar
planet, also called exoplanet are any planetary body that is outside the
solar system. They were first discovered in 1992.
21. With
which US spacecraft did Neil Armstrong and Edwin Aldrin, Jr. land on the moon?
On July 20, 1969, Neil Armstrong and Edwin Aldrin, Jr.
became the first people to land on the moon on Apollo 11.
22. Who
discovered dark matter?
Correct Answer: Fritz Zwicky
Fritz
Zwicky, a Swiss astronomer and physicist discovered the existence of dark
matter, a component of the universe making up 30.1% of the matter-energy
composition.
23. What
is the outermost region of the Sun’s atmosphere called?
Correct Answer: Corona
Corona is
the outermost region of the Sun’s atmosphere which consists of plasma. It has a
temperature of approximately two million kelvins and an extremely low density.
24. What
two motions do all planets have?
Correct Answer: orbit and spin
All planets have
two types of motion, known as orbit and spin.
25. In
which galaxy was a black hole discovered in the year 2017?
Correct Answer: M87
In 2017, the Event Horizon Telescope obtained images of the
central region of M87 that
showed an asymmetric ring of radio emission surrounding a dark object.
For how long did the first artificial satellite Sputnik 1
stay in Earth''s orbit?
Correct Answer: 3 months
Sputnik 1 was launched on October 4, 1957, and stayed in
orbit until January 4, 1958.
26. What
term describes the alignment of three celestial bodies?
Correct Answer: syzygy
When three celestial bodies appear to be in a straight line,
as sometimes happens, hey are said to be in syzygy.
27. What
is the minimum speed of a meteoroid when it enters Earth’s atmosphere?
Correct Answer: 25,000 miles (40,234 km) per hour
When a meteoroid enters the Earth’s atmosphere, it travels
at a minimum speed of more than 11 km per second (25,000 miles per hour), which
is many times faster than a bullet leaving a gun barrel.
28. Which
of these was discovered in the year 1998 using Type Ia supernovae?
Correct Answer: Dark energy
Dark
energy was discovered in 1998 with the use of the Type Ia supernovae.
It is a repulsive force that is the dominant component (69.4 percent) of the
universe.
29. Which
planets do not have a natural satellite?
Correct Answer: Mercury and Venus
All the planets in the solar system except Mercury and Venus
have natural satellites.
30. Who
invented the telescope?
Correct Answer: Hans Lippershey
Hans
Lippershey (c. 1570–c. 1619), a spectacle maker in the Netherlands, is
traditionally credited with the invention of the telescope.
31. Which
spacecraft was Laika, the first living creature sent into space?
Correct Answer: Sputnik 2
Sputnik 2, launched on November 3, 1957, carried Laika into
space and orbit Earth.
32. Who
was the first female commander of the International Space Station (ISS)?
Correct Answer: Peggy Whitson
Peggy
Whitson was the first female commander of the International Space
Station (ISS). She also holds the record among American astronauts and among
women for spending the most time in space, nearly 666 days.
33. Who
developed the theory of auroral phenomena?
Correct Answer: Fredrik Størmer
Fredrik
Størmer, a Norwegian geophysicist and mathematician developed a
mathematical theory of auroral phenomena where he explained about the formation
of auroras.
34. Who
won the 2019 Nobel Prize for Physics for physical cosmology?
James
Peebles, a Canadian-born American physicist, was awarded the 2019 Nobel
Prize for Physics for his work on physical cosmology. His major works include
Cosmic Microwave Background, Cold Dark Matter.
35. Which
part of the Sun can be seen with the naked eye?
The Photosphere is
the visible surface of the Sun, from which is emitted most of the Sun’s light
that reaches Earth directly.
36. In
which year was India''s first mission to Mars Mangalyaan launched?
Correct Answer: 2013
Mars
Orbiter Mission was launched on November 5, 2013. It was India''s
first Interplanetary mission to Mars.
37. In
1921, Albert Einstein received the Nobel Prize for Physics for which of his
following work?
Correct Answer: Photoelectric Effect
Albert
Einstein won the Nobel Prize for Physics in 1921 for his explanation
of the Photoelectric Effect. Photoelectric
Effect is a phenomenon in which electrically charged particle.
38. What
is the nucleus of a comet made of?
Correct Answer: ice, dust, and organic materials
The nuclei of comets are
small solid bodies composed of roughly equal parts of volatile ices, fine
silicate dust, and organic materials.
39. Which
was the first spacecraft to have a hard landing on another celestial object?
Correct Answer: Luna 2
Luna 2 was launch on September 12, 1959, became the first
spacecraft to strike the Moon.
40. How
many times larger is the radius of the Sun than that of the Earth?
Correct Answer: 109
The radius of the Sun is
109 times that of the Earth.
41. Which
year is Halley''s Comet expected to return to the solar system?
Your Answer: 2061
Halley''s
Comet or Comet P/Halle is expected to return to the inner solar system
in the year 2061.
42. What
makes a planet a dwarf planet?
Correct Answer: size and shape
In 2006, Pluto, Eris, and Ceres were classified as dwarf
planets because of their size and shape.
43. The
instance when the Sun is exactly above the Equator and day and night are of
equal length is called:
Correct Answer: Vernal equinox
Vernal
equinox is two moments in the year when the Sun is exactly above the
Equator and day and night are of equal length; also, either of the two points
in the sky where the ecliptic and the celestial equator interse
44. What
is the scientific term used for the twinkling of stars?
Correct Answer: Scintillation
Scintillation is the twinkling of stars to the unaided eye,
a commonly known result of turbulence in the higher reaches of the atmosphere.
45. What
is the dark center of a sunspot called?
Correct Answer: Umbra
The dark centre of a sunspot is
called the umbra; the outer, lighter ring is the penumbra.
46. Who
won the Nobel Prize for the discovery of dark energy in 2011?
Correct Answer: Adam G. Riess
Adam
G. Riess won the Nobel Prize for Physics in 2011 for his discovery of
dark energy, a repulsive force that is the dominant component (69.4 percent) of
the universe.
47. What
is the smallest planet in the solar system by mass?
Correct Answer: Mercury
Mercury,
the innermost planet of the solar system, is the smallest by mass (and size).
When did the Steady-state theory, an alternative theory to
the evolution of the universe, emerge?
48. Correct
Answer: 1948
Steady-state
theory was first put forward in 1948 by British scientists Sir Hermann
Bondi, Thomas Gold, and Sir Fred Hoyle.
49. In which year did the space shuttle Columbia disaster
take place?
Correct Answer: 2003
The fatal U.S. space shuttle Columbia took place on February
1, 2003, killing all astronauts on board.
49. Which
planet''s axis is almost parallel to its orbital plane, making it spin nearly
on its side?
Uranus’s
axis lies almost parallel to its orbital plane, which means that the planet
spins nearly on its side, its poles taking turns pointing toward the Sun as the
planet travels in its orbit.
50. Chandra
X-ray Observatory is named after which astrophysicist?
Correct Answer: Subrahmanyan Chandrasekhar
Chandra
X-ray Observatory is named after Subrahmanyan
Chandrasekhar, who with William A. Fowler won Nobel Prize for physics in
1983.
51. Which
astronomer formulated the modern big bang theory?
Correct Answer: Georges Lemaître
Georges
Lemaître, a Belgian astronomer and cosmologist formulated the modern
big-bang theory, which states that the universe began in a cataclysmic
explosion of a small, primeval “super-atom.”
52. The
amount of light emitted by an object in a unit of time is known as:
Correct Answer: Luminosity
Luminosity is
the amount of light emitted by an object in a unit of time. It is an absolute
measure of radiant power; that is, its value is independent of an observer’s
distance from an object
53. What
is the visible part of the Sun called?
Correct Answer: the photosphere
The outer region of the Sun that is normally visible from
the Earth is called the photosphere,
which means “sphere of light.”
54. When
was Pluto removed from the list of planets?
Correct Answer: 2006
In August 2006 the International Astronomical Union voted to
removed Pluto from
the list of planets and give it the new classification of dwarf planet.
55. Approximately
how many miles (or kilometres) are there in a light-year?
Correct Answer: 5.9 trillion (9.5 trillion km)
A light-year is
the distance light travels in a vacuum in a year—about 5.9 trillion miles, or
9.5 trillion kilometers.
56. The
first satellite to operate in geostationary orbit is:
Launched in the year 1963, Syncom 2 became the first
successful geostationary satellite to demonstrate the feasibility of the Hughes
concept before commercial use.
57. Who
discovered the Crab Nebula?
Correct Answer: John Bevis
The discovery of the Crab
Nebula is attributed to the English physician and amateur astronomer
John Bevis
58. Which
of these comprise the intermediate layers of a neutron star?
A Neutron
star, any of a class of extremely dense, compact stars thought to be
composed primarily of neutrons. The intermediate layers are mostly neutrons and
are probably in a “superfluid” state.
.jpg)