Space Questions & Answers

What is the closest planet to the Sun?
Ans. Mercury

What is the name of the 2nd biggest planet in our solar system?
Answer: Saturn

What is the hottest planet in our solar system?
Answer: Venus

What planet is famous for its big red spot on it?
Answer: Jupiter

What planet is famous for the beautiful rings that surround it?
Answer: Saturn

Which planet has the most volcanoes?
Answer: Venus.

Which planets do not have moons?
Answer: Mercury and Venus.

How much larger the Sun is than Earth?
Answer: 300000 times.

When the Halley’s Comet will be visible from Earth again?
Answer: 2061.

What is the surface temperature of Venus?
Answer: Over 450 degrees Celsius.

When was the Solar System formed?
Answer: Around 4.6 billion years ago.

A person who weighs 200 pounds on earth, what would he weigh on the surface of Mars?
Answer: 76 pounds.

Which Planet spins backwards relative to the others?
Answer: Venus.

When was the first man made object sent into space?
Answer: 1957.

Name Jupiter’s 4 biggest moons:
Answer: Europa, Ganymede, Callisto and Io.

Why do we have high & low tides?
Answer: because of the Sun & Moons gravity.

Where is The “edge of space” located?
Answer: 100 km (62 mi) above sea level.

What is an astronaut employed by the Russian Federal Space Agency called?
Answer: Kosmonavt.

Who was the first person to reach space?
Answer: Yuri Gagarin, in 1961

Can humans breathe normally in space as they can on Earth?
Answer: No

Is the sun a star or a planet?
Answer: A star

Who was the first person to walk on the moon?
Answer: Neil Armstrong

What planet is known as the red planet?
Answer: Mars

What is the name of the force holding us to the Earth?
Answer: Gravity

Have human beings ever set foot on Mars?
Answer: No

What is the name of a place that uses telescopes and other scientific equipment to research space and astronomy?
Answer: An observatory

What is the name of NASA’s most famous space telescope?
Answer:  Hubble Space Telescope

Earth is located in which galaxy?
Answer: The Milky Way Galaxy

What is the name of the first satellite sent into space?
Answer: Sputnik

Ganymede is a moon of which planet?
Answer: Jupiter

What is the name of Saturn’s largest moon?
Answer: Titan

Olympus Mons is a large volcanic mountain on which planet?
Answer: Mars

Does the sun orbit the Earth?
Answer: No

Is the planet Neptune bigger than Earth?
Answer: Yes

Who was the first woman to reach space?
Answer: Valentina Tereshkova, in 1963.

Name five recognized dwarf planets :
Answer: Pluto, Ceres, Eris, Makemake & Haumea.

The Moon orbits the Earth every –
Answer: 27.3 days.

What is the average surface temperature of the Moon?
Answer: 107 degrees Celsius during the day and -153 degrees Celsius at night.

When does a lunar eclipse occur?
Answer: when the Earth is between — the Sun and the Moon.

Which star is at the center of our Solar System?
Answer: Sun.

What is the diameter of Sun?
Answer: 1,392,684 km (865,374 mi).

What percent of the solar system’s mass does Sun holds?
Answer: 99.8 percent.

How many stars are in the Milky Way?
Answer: more than 100 billion.

When was Sun born?
Answer: roughly 4.6 billion years ago.

What is the diameter of VENUS?
Answer: 7,521 miles (12,104 km).

What is the distance between sun and earth?
Answer: 92,960,000 miles (149,600,000 km).

Sun’s Chemical Composition:
Answer: 71% of Hydrogen, 26.5% Helium and2.5% of other elements.

How much time does sun rays take to reach earth?
Answer: 8 minutes.

Which planet is known as the Morning Star or the Evening Star?
Answer: VENUS.

What is the diameter of MERCURY?
Answer: 3,032 miles (4,879 km).

At how mush speed Moon moves across the Sun?
Answer: 2,250 km per hour.

How long a solar eclipse can last?
Answer: 7 and a half minutes.

What is the Equatorial Circumference of Earth?
Answer: 40,030 km.

What is Earth’s surface temperature?
Answer: -88 to 58°C.

When was the Earth formed?
Answer: approximately 4.54 billion years ago.

How many natural satellites of Earth are there?
Answer: one, Moon.

What are the notable satellites of Mars?
Answer: Phobos & Deimos.

Which planet has approximately the same landmass as Earth?
Answer: Mars.

What are the notable satellites of Pluto?
Answer: Charon, Nix, Hydra, Kerberos and Styx.

When was the Pluto reclassified from a planet to a dwarf planet?
Answer: in 2006.

How many stars are there in Andromeda Galaxy?
Answer: 1 trillion.

At which speed the Andromeda Galaxy is approaching the Milky Way?
Answer: at approximately hundred to hundred and forty kilometers per second

What is the diameter of EARTH?
Answer: 7,918 miles (12,742 km).

What is the diameter of MARS?
Answer: 4,212 miles (6,779 km)

What is the diameter of JUPITER?
Answer: 86,881 miles (139,822 km).

What is the diameter of SATURN?
Answer: 120 536 kilometers

What is the diameter of URANUS?
Answer: 31,518 miles (50,724 km).

What is the diameter of NEPTUNE?
Answer: 30,599 miles (49,244 km).

What is the diameter of PLUTO?
Answer: 2360 kilometers.

Which is the largest planet in our solar system?
Answer: JUPITER.

Which Planet Has the Most Moons?
Answer: The planet with the most number of moons is Jupiter with 66 moons.

Which planet is closest to the sun?
Answer: Name of the closest planet to the sun is : Mercury.

Which Is the Hottest Planet in the solar system?
Answer: Venus.

Which Planets Have Rings around Them?
Answer: Saturn,Jupiter, Uranus, and Neptune (4 planets).

Which is the coldest andsmallest of all planets?
Answer: PLUTO.

Which Star is called Earth’s satellite?
Answer: Moon.

What is the Average distance of Moon from Earth?
Answer: 238,855 miles (384,400 km).

What is the age of Moon?
Answer: 4.527 billion years.

What is the Orbital period of Moon?
Answer: 27 days.

What is the Circumference of Moon?
Answer: 6,784 miles (10,917 km).

India’s first scientific satellite
Answer: Aryabhatta

The first Indian to go into space
Answer: Rakesh Sharma

The first woman of Indian origin in space
Answer: Kalpana Chawla

The first successful moon mission of India
Answer: Chandrayan-I (October 22, 2008).  India’s first Mapping Satellite