When was Sputnik launched in to space?
Anonymous Quiz
47%
A. 1957
22%
B. 1961
21%
C. 1955
10%
D. 1967
Who was the first astronaut to leave tge spacecraft in space?
Anonymous Quiz
25%
A. Alexy Leonov
32%
B. Alan Shepard
19%
C. Ed White
25%
D. John Glenn
How many of the original mercury seven astronauts walked on the moon?
Anonymous Quiz
32%
A. 2
38%
B. 3
19%
C. 4
11%
D. 1
Who was the first American to orbit the Earth?
Anonymous Quiz
14%
A. Ed White
28%
B. Buzz Aldrin
37%
C. Alan Shepard
21%
D. John Glenn
Russian astronauts are called?
Anonymous Quiz
55%
A. Cosmonauts
13%
B. Moonwalkers
15%
C. Taikonauts
17%
D. Aeronauts
β¨A spacesuit weighs approximately 127 kg on the ground without the astronaut in it but in the microgravity environment of space, a spacesuit weighs nothingβ¨
#Fact
@AstroMechanics
#Fact
@AstroMechanics
β¨Almost all of ordinary matter (99.9% of it) is empty space. If you took out all of the space in our atoms, the entire human race (all 7 billion of us) would fit into the volume of a sugar cube.
But the fact is that the density of that sugar cube will be extremely high and could weigh up to five billion tonsβ¨
#OrdinaryMatter
π @AstroMechanics
But the fact is that the density of that sugar cube will be extremely high and could weigh up to five billion tonsβ¨
#OrdinaryMatter
π @AstroMechanics
β¨Active galaxy NGC 1275 lies at the heart of the Perseus Galaxy Cluster, it has huge filaments of gas that extend out from the core. They look like the tentacles of an immense galactic octopus and are 20,000 light years long, and just 200 light years wide. They are held in place by powerful magnetic fields from the massive central black holeβ¨
#BlackHole
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#BlackHole
π @AstroMechanics
β¨In the milky Way, the average distance between stars is about 5 light years, or 48280320000000 kmβ¨
#Fact
π @AstroMechanics
#Fact
π @AstroMechanics
β¨Famous globular cluster M13 has 100,000 stars packed into a space 150 light years across. The centre of this cluster is so crowded that itβs thought that stars crash into each other forming new suns called βblue stragglersββ¨
#Fact
π @AstroMechanics
#Fact
π @AstroMechanics
Why Dark matter is called dark?
β¨Dark matter is called dark because it does not appear to interact with the electromagnetic field, which means it doesn't absorb, reflect or emit electromagnetic radiation, and is therefore difficult to detectβ¨
#DarkMatter
π @AstroMechanics
β¨Dark matter is called dark because it does not appear to interact with the electromagnetic field, which means it doesn't absorb, reflect or emit electromagnetic radiation, and is therefore difficult to detectβ¨
#DarkMatter
π @AstroMechanics
How we know that dark matter exists?
β¨Dark matter is known to exist through the gravitational effect it exerts on visible matter in the universeβ¨
#DarkMatter
π @AstroMechanics
β¨Dark matter is known to exist through the gravitational effect it exerts on visible matter in the universeβ¨
#DarkMatter
π @AstroMechanics
β¨The scientific term whereby one galaxy gravitationally disturbs another is called galaxy harassmentβ¨
#Fact
π @AstroMechanics
#Fact
π @AstroMechanics