The Mariner 10 was the first spacecraft that visited Mercury.
It was launched at NASAβs Kennedy Space Center in 1973, and flew by Venus 3 months later.
2020
the first olympic marathon gold medalist told hittler that he hoped he won't start a war.
Hi brought him an olive tree branch instead of nazi waving.
2019
Astronauts can grow approximately 5 cm in height when in space.
The lack of gravity in space causes the discs between the vertebrae to expand a little.
2013
When Monopoly players Started with twice the money as their opponents.
they began to act rudely towards other players and argued that they used strategy and skill to achieve victory
2013
The first ever black hole photographed is 3 million times the size of Earth.
The photo was released in April 2019 and shows a halo of dust and gas 310 million trillion miles from Earth.
2019
On Venus, it snows metal and rains sulfuric acid.
Venus is scorching hot and choked with sulfuric acid, which causes the planetβs metals to become gas and then liquid in the atmosphere
2013
Idiot once specifically referred to somebody with the mental age of a 2yr old.
'Imbecile' referred to somebody with the mental age of a 3-7yr old, and 'Moron' to a 7-10yr old
2020
Pound cake got its name from its recipe.
The early recipes of pound cake called for one pound of butter, one pound of eggs, and one pound of sugar
2020
pens wonβt work in space.
Normal pens work by gravity pulling the ink towards the penβs nib. As thereβs no gravity in space, the ink doesnβt get pulled to the nib.
2020
Plutoβs largest moon, Charon, is half the size of Pluto.
The same surfaces of Charon and Pluto always face each other, which is known as mutual tidal locking
2020
Ben, the Elephant that waited for the Doctor.
After being shot by poachers Ben walked to and patiently waited outside a medical lodge for 5 hours.
2016
The word βastronautβ means βstar sailorβ.
It is derived from the Greek words βastronβ, meaning βstarβ, and βnautesβ, which means βsailorβ.
2020
Liechtenstein & Uzbekistan, the only double landlocked countries in the world.
A country is "double-landlocked" when it is surrounded only by landlocked countries
2020
The International Space Station circles Earth every 92 minutes.
In one day, the station travels about the distance it would take to go from Earth to the moon and back.
2018
According to mathematics, white holes are possible, although we have found none.
A white hole is a hypothetical region of space-time which canβt be entered from the outside, although matter and light can escape from withi
2020
The Sun makes a full rotation once every 25 β 35 days.
one full rotation equals one full day. However, our gargantuan sun takes 25 β 35 Earth days to make one full rotation!
2020
free-ranging domestic cats are the top threat to wildlife.
killing an estimated 1.3 to 3.7 billion birds and 6.3 to 22.3 billion mammals annually in the US
2020
Light travels from the Sun to the Earth in less than 10 minutes.
The Photons emitted from the Sunβs surface travel at the speed of light to reach our eyes in only 8 minutes and 20 seconds.
2013