Unique Universe Flashcards
The densest planet of our solar system, with a density of nearly 5.5 times that of water, is
Earth
is one of the many satellites of Jupiter. It is the largest
natural satellite of our solar system. Its mass is nearly double of that of
the moon.
Ganymede
The
galaxy consists of at least 100 billion and maybe as
many as 400 billion stars. It is spread out as a thin disc and appears to be
a spiral galaxy. Its diameter is about 100,000 light years across. Our solar
system is located midway in the disc.
Milky Way
Vostok, Soyuz, and Apollo 13 are all names of
spacecrafts
This planet can produce the most violent winds and suffers the
most violent weather in the solar system.
Neptune
This planet does not spin on its axis like other planets but rather
spins at a 90-degree angle from the plane of its orbit.
Uranus
Kalpana Chawla was the Mission Specialist sent by NASA aboard
the ill -fated space shuttle
and the first woman of
Indian origin in space.
Columbia
The Indian Space Research Organization is the primary body for
space research in India, under the control of government. It was
established in
1969
The study of formation of the universe and how it has evolved:
Cosmology
The Hubble Telescope has never managed to observe this planet:
Mercury
The spot on the moon where humans first landed:
Sea of tranquility
Alpha, Beta, Gamma, Delta, and Epsilon are rings encircling this planet:
Uranus
This layer of gas surrounds the Earth roughly between 15 to 35 km above its surface:
Ozone
What was the name given to the first reusable spacecraft launched by USSR in 1988, which
literally meant ‘snowstorm’?
Buran
The planet that is called the Earth’s twin:
Venus
