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1
Which is the planet in the solar system with highest density?
Earth
Jupiter
Mercury
Saturn
18% got this right
Earth has the highest density of any planet in the Solar System, at 5.514 g/cm3.
2
What star is in the South Pole?
Sigma Octanis
Deneb
Eli tea
Polaris
18% got this right
Sigma Octantis is the current southern pole star, whose counterpart is Polaris, the current North Star.
3
The Moon’s period of rotation around the Earth is
27.3 days
24 hours
29.5 days
7 days
16% got this right
The moon orbits the Earth once every 27.322 days. It also takes approximately 27 days for the moon to rotate once on its
4
The following planets that have no natural satellites are?
Mercury and Venus
Pluto and Mercury
Uranus and Pluto
Venus and Pluto
35% got this right
Mercury and Venus are the only planets in our solar system which do not have any natural satellite.
5
Which planet can never be seen on the meridian at midnight?
Mercury
Jupiter
Mars
Saturn
33% got this right
Because Mercury are closer to the Sun than we are (i.e., their orbits are inside the Earth's orbit)
6
The second brightest star in the constellation Canis Major is
Beta Canis Major
Polaris
Rigel
Sirius
29% got this right
7
Which of the following planets have ring system?
All of the above
Jupiter
Neptune
Saturn
34% got this right
8
Which is the following is furthest distance from the sun?
A comet in the Oort cloud
A comet in the Kuiper belt
An asteroid in the asteroid belt
Pluto
15% got this right
The inner edge of the Oort Cloud, however, is thought to be between 2,000 and 5,000 AU from the Sun.
9
Which feature on Mars’s surface leads some scientists to hypothesize that water was once abundant?
Polar ice caps
Craters
Olympus Mons
Valles Maineris
32% got this right
10
Earth and Mars have similar
Tilts of their axes
Atmosphere
Diameters
Gravity fields
20% got this right
Mars has a similar axial tilt to Earth, so it has seasons much like ours.
11
Which rocket successfully landed vertically for the first time?
Blue Origin’s New Shepard booster rocket
Rocketlab’s Electron rocket
Saturn V
Spacex’s Falcon 9
25% got this right
On November 23, 2015, Blue Origin's New Shepard booster rocket made the first successful vertical landing.
12
What rocket was used for Apollo 11 in 1969?
Saturn V
Atlas
Space shuttle
Sputnik 2
22% got this right
On July 16, 1969, the Saturn V launched Apollo 11, putting the first men on the Moon.
13
What is the first U.S. mission to collect a sample from an asteroid?
Osiris-REx
Chang’e 6
Hayabusa 2
59% got this right
OSIRIS-REx is the first U.S. mission to collect a sample from an asteroid. It returned to Earth on Sept. 24, 2023,
