Space Flashcards
What is atmosphere
The layer of gases that surrounds a planet
What is a meteoroid
A small rocky object in space or the atmosphere
The streak of light produced as a meteoroid burns in the atmosphere is
Meteor
How far away are most of the meteors that we see
95kms
Ow big are most of the meteoroids that Exeter the earths atmosphere
Pea
Define friction
The force that resists motion between two objects that are in contact with one another
The space rock that lands on earth, moon or another planet is the
Meteorite
What is the size of most of the meteorites
No bigger than a grain of sand
Scientists have divided meteorites into three main groups, name them
Stony meteorites Iron meteorites Stony iron meteorites
Which is the most common type of meteorite
Stony meteorite
The iron meteorites are mainly made of two metals, name them
Iron and nickel
Name four famous meteorites
Hoba in Namibia Nogata in Japan Gibeon in Namibia Cape York in Greenland
Define the solar system
The star and everything that orbits around it
What is an asteroid
A space rock that is larger than the meteoroid but smaller than a planet
Where is the asteroid belt located
Between mars and Jupiter
Our solar system , beyond the planets is surrounded by a large area of space called the
Kuiper belt
What lies beyond the kuiper belt
Scattered disk
What lies beyond the scattered disk at the very edge of our solar system
An even bigger area called OORT cloud
How many rocky objects orbit in the asteroid belt
About 2 million
How many objects orbit in the Kuiper belt
Trillion
How many objects may be orbiting in the OORT cloud
About 2 trillion
Most of the meteoroids are formed from
Asteroids
What is the source of meteoroids another than asteroids
Objects from the Kuiper belt, scattered disk and Oort Cloud which contains a rock core and a icy surface ( comet)
Name the four parts of the comet
Core Comma Dust tail Gas tail
Most of the meteoroids that enter the earths atmosphere come from
Dust tail of the comets
A. Eteor that appears brighter than Venus is called
Fireball
Other than asteroids and comet dust, meteors can also come from two other sources
Moon Mars
Meteorites are easiest to find in two places
Hot deserts Antarctica
Three physical characteristics of a meteorite
Sticks to magnet Heavier than other rocks Rough surface, indents look like thumb prints
The lowest layer of the atmosphere is
Troposphere
What is the distance of the troposphere
6 to 10 kms
On which layer of the atmosphere are the clouds found
Troposphere
The layer just above the troposphere is the
Stratosphere
Can aeroplanes fly in the troposphere
Yes
Which layer of the atmosphere do aeroplanes like to fly
Lower part of the stratosphere
Temperatures at the stratosphere are
Below 0 c
The layer of ozone is found in which layer of the atmosphere
Stratosphere
The layer above the stratosphere is
Mesosphere
Temperatures in the mesosphere can go upto
-90c
The layer above the mesosphere is the
Thermosphere
The temperature in the thermosphere can go upto
1200c
The international space station is in which layer
Thermosphere
The layer beyond the thermosphere is the
Exosphere
The last mission to the moon was by which Apollo mission
Apollo 17
Which year was the last landing on the moon
December 11 1972
The Apollo 17 landing on December 11 1972 was on which part of the moon
Taurus Littrow
What is the famous photo called BLUE MARBLE
The Apollo 17 crew took a complete photo of the earth called blue marble
The first man in space
Yuri Gagarin in 1961
In which spacecraft did Yuri Gagarin travel in space
Vostok
Name the American single astronaut program designed to see if human beings could survive in space
Project Mercury
Name the first American in space with a suborbital flight of 15 minutes
Alan Shepard
Name the first NASA astronaut to orbit the earth
John Glenn
The Project that followed Project Mercury was
Project Gemini
Name the NASA project that helped astronauts to dock vehicles in space
Project Gemini
The first manned successful space stations from Russia were
Salyut 3 Salyut 5
The American equivalent of the Salyut 3 and Salyut 5 was
Skylab
The first handshake in space between America and Russia was in
1975, Apollo-Soyuz project
The space shuttle was a special type of aircraft, what was special about it
It was reusable, designed to fly into space like a rocket but also to glide back to earth like an airplane on a runway
The first US Shuttle was launched in 1981, name the shuttle
Columbia
In 1986 the Russians launched the first large space station to ever orbit the earth, name the space station
Mir
What was the size of the MIR space station
Size of six buses
Construction for the ISS was started in which year
1998
The ISS orbits the earth in how many minutes
90 minutes
The ISS is serviced by 3 spacecrafts, name them
- Space shuttle by NASA 2. Soyuz spacecraft by Russia 3. Automated Transfer vehicle by European space agency
NASA is developing a new type of spacecraft called
ORION
Modern geophysicists believe our solar system was formed about
4.6 gigayears ago
Name some animals with have a sufficient sense of self awareness
Elephants Dolphins Anthropoids…chimpanzees and other apes, Neanderthals and humans
In which era have large bony ani als which turn easily into fossils appear
Cambrian era
Is there a proper record of pre Cambrian life forms
No
The earliest aeon of the earths history was
Hadean aeon…infernal
The three types of telescopes are
Optical Radio X Ray
Name some shapes of galaxies
Spiral spheroidal Elliptical Irregular
Name the different types of black holes
Mini black holes Supermassive black holes Stellar black holes Mid size black holes
SCHWARZSCHILD black holes are
Stationary black holes
KERR black holes are
Rotating black holes
Matter in space is of two types
Ordinary matter Exotic matter
Name the famous observatory that detected gravitational waves
LIGO Laser interferometry gravitational waves observatory
Black holes image was taken using which telescope
EHT event horizon telescope
