Moons
How many confirmed moons are in the Solar System?
A.422
B.891
C.953
953 confirmed
Asteroids are sometimes called by which of these names?
Planetoids
Where do comets come from?
The Kuiper Belt and Oort cloud
What are the 5 Major Dwarf Plantes?
A. Ceres, Pluto, Haumea, Makemake, and Eris
B. Ceres , Earth , Mars , Pluto , and Eris
C. Gonggong , Saturn , Sun , Haumea
A. Ceres, Pluto, Haumea, Makemake, and Eris
Are there different types of black holes
a. No
b.yes
Yes
What planet has the most moons?
A.Saturn
B.Earth
C.Mars
A. Saturn
The main asteroid belt is situated between which heavenly bodies?
Mars and Jupiter
The difference between a comet and a shooting star are
What is slow-moving and long-lasting, while shooting stars are incredibly fast, appearing and disappearing in an instant
Pluto has several moons. Which moon is the largest?
Charon
How do rockets launch and achieve liftoff?
By expelling hot gases downward, generating an upward force called thrust through the principle of Newton's Third Law of Motion.
What Moon is the oldest in our solar system?
A. Callisto , Jupiter´s moon
B. Luna , Earth´s moon
C. Calypso , Mercury´s moon
A. Callisto
What was the name of the second asteroid discovered?
Pallas
The tail of a comet is made up of
What is a dust tail composed of tiny, solid particles and an ion tail of electrically charged gas
Which of these is the name of Ida's moon?
Dactyl
How do spacecraft make banking turns?
By first using small thrusters to reorient themselves in space and then firing their main engines or other thrusters to begin moving in the new direction
How long does it take the Moon to orbit the Earth?
B.27 Days
C.24 Hours
B.27 Days
Asteroids that come within the orbit of the Earth at their perihelion are known as ___________ asteroids.
Apollo
Are they hot and burning?
What is no
Which of these dwarf planets is the coldest?
Eris
What speed is needed to enter orbit around Earth?
7.8 km/s
How do moons form?
Through several processes, most notably the giant impact theory for Earth's Moon, while others form from accretion in a planetary disk, gravitational capture of passing asteroids, or by co-formation alongside their planet
Asteroids that are always closer to the Sun than the Earth are called __________ asteroids.
Aten
How close do they come to Earth?
As close as a few million miles
What is the name of Eris' only moon?
Dysnomia
How do plasma rocket engines work?
By using electric and magnetic fields to ionize a gas propellant and then accelerate the resulting plasma at high speeds to create thrust