ffyylishi

ffyylishi

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    With a range of 1.8 billion light-years
    4:34

    With a range of 1.8 billion light-years

     5.9K  views
    Why astronauts dare not look at Earth from the moon
    1:17

    Why astronauts dare not look at Earth from the moon

     5.82K  views
    10,000 meters under the sea, what is there?
    1:33

    10,000 meters under the sea, what is there?

     5.78K  views
    What would happen if a needle hit the earth
    1:25

    What would happen if a needle hit the earth

     5.84K  views
    What kind of vicissitudes has the earth experience
    1:38

    What kind of vicissitudes has the earth experience

     5.89K  views
    What is it like to replace the moon with an exoplanet
    2:06

    What is it like to replace the moon with an exoplanet

     5.86K  views
    Saturn's cosmic wonder, how the hexagon exists
    1:20

    Saturn's cosmic wonder, how the hexagon exists

     67.3K  views
    Close to 50,000 degrees Celsius, a wall of fire found in the universe
    4:40

    Close to 50,000 degrees Celsius, a wall of fire found in the universe

     5.9K  views
    Inventory of the five most ferocious beasts
    2:20

    Inventory of the five most ferocious beasts

     5.84K  views
    Can you do it if I give you a match?
    1:45

    Can you do it if I give you a match?

     5.87K  views
    If you were given a hoe, would you be able to dig
    1:30

    If you were given a hoe, would you be able to dig

     65K  views
    How powerful are meteorites Seeing the end can mak
    1:21

    How powerful are meteorites Seeing the end can mak

     66.3K  views
    How fast is the speed of light
    1:21

    How fast is the speed of light

     5.89K  views
    How desperate was the dinosaur at the end
    1:50

    How desperate was the dinosaur at the end

     66.1K  views
    How annoying are mosquitoes
    1:13

    How annoying are mosquitoes

     65.7K  views
    Do people really have past lives？
    1:14

    Do people really have past lives？

     66.1K  views
    Comparing the size of the solar system planets
    1:20

    Comparing the size of the solar system planets

     66K  views
    Why did the earth's dominant dinosaurs go extinct
    1:45

    Why did the earth's dominant dinosaurs go extinct

     66.1K  views