Your DNA stretched end to end would reach the Sun and back over 600 times

Light from the Sun takes 8 minutes and 20 seconds to reach Earth

Sunlight travels approximately 149.6 million kilometers to Earth in 8 minutes and 20 seconds

If the gravitational constant were twice as large as its current value, how would the orbital period of Earth around the Sun change?

Orbital period would halve due to inverse square law relationship

The observable universe is about 93 billion light-years in diameter

The observable universe spans approximately 93 billion light-years across

Pi has been calculated to over 100 trillion digits — but 39 digits is enough to measure the observable universe to the width of a hydrogen atom

Pi's 39-digit approximation measures universe's width to hydrogen atom's size

The Sun makes up 99.86% of all mass in the solar system

The Sun constitutes 99.86% of the solar system's total mass

How long does it take for radio waves from the Voyager 1 spacecraft, launched in 1977, to reach Earth, given the current distance between the two?

Voyager 1's radio waves take approximately 17 hours to reach Earth, considering its current distance of about 145.3 astronomical units