- How fast was Apollo 13 in space?
- Has anyone visited Mars?
- How long would it take to walk to Pluto?
- How long would it take to walk to the moon?
- What Year Will Earth die?
- Who Is Biggest Earth or Moon?
- Who was the first person to walk on the moon?
- Will Earth ever lose the moon?
- Will the earth stop spinning?
- How many miles does it take to the moon?
- Is Earth bigger than the moon?
- Why did it take 3 days to reach the moon?
- Can Earth survive without the moon?
- How far does the moon recede each year?
- How much does it cost to live on the moon?
- Is the American flag still on the moon?
- Has anyone walked the whole of the Great Wall of China?
How fast was Apollo 13 in space?
5,343 feet per secondThis is Apollo Control, Houston; 78 hours, 20 minutes into the flight of Apollo 13.
At present the Apollo 13 spacecraft is 2,461 nautical miles [4,558 km] away from the Moon and traveling a speed of 5,343 feet per second [1,629 m/s]..
Has anyone visited Mars?
The first successful flyby of Mars was on 14–15 July 1965, by NASA’s Mariner 4. On November 14, 1971, Mariner 9 became the first space probe to orbit another planet when it entered into orbit around Mars.
How long would it take to walk to Pluto?
At a minimum the distance between Earth and Pluto are 29 astronomical unit . An AU is defined as 149597870700 meters. If you are a halfway average walker, you will make about 6 kilometers an hour, which means it will take you 24932978,45 hours or approximately 2844,28 years to walk to Pluto.
How long would it take to walk to the moon?
It would take about 9.5 years if you walked 24/7. The Moon is about 250,000 miles away and a human can walk at about 3 MPH. That means it would take 83,333 hours (give or take) to walk to the Moon, and there are 8766 hours in a year, so about 9.5 years.
What Year Will Earth die?
By that point, all life on the Earth will be extinct. The most probable fate of the planet is absorption by the Sun in about 7.5 billion years, after the star has entered the red giant phase and expanded beyond the planet’s current orbit.
Who Is Biggest Earth or Moon?
The moon is a bit more than one-fourth (27 percent) the size of Earth, a much smaller ratio (1:4) than any other planets and their moons. Earth’s moon is the fifth largest moon in the solar system. The moon’s mean radius is 1,079.6 miles (1,737.5 kilometers).
Who was the first person to walk on the moon?
Neil ArmstrongOn July 20, 1969, Neil Armstrong became the first human to step on the moon. He and Aldrin walked around for three hours.
Will Earth ever lose the moon?
The simple answer is: The Moon is probably never going to leave us. There is no well-defined scientific scenario in which the Moon ever escapes from the Earth, and even the long-shot possibility emerges only long after Earth has been largely destroyed by the Sun.
Will the earth stop spinning?
The Earth will never stop rotating. Earth rotates in the purest, most perfect vacuum in the whole universe—empty space. Space is so empty, so devoid of anything to slow the Earth down, that it just spins and spins, practically without friction.
How many miles does it take to the moon?
You might be surprised. The Moon is an average of 238,855 miles (384,400 km) away.
Is Earth bigger than the moon?
The Moon has a diameter of 2,159 miles (3,476 kilometers) and is about one-quarter the size of Earth. The Moon weighs about 80 times less than Earth.
Why did it take 3 days to reach the moon?
The Moon’s gravity then pulled the spacecraft around the far side of the Moon where the CSM engine was burnt to brake the vehicle into Lunar orbit. Three days was simply how long it took to get from the TLI engine burn to the CSM engine braking burn via the unpowered cruise.
Can Earth survive without the moon?
2. Without the moon, a day on earth would only last six to twelve hours. There could be more than a thousand days in one year! That’s because the Earth’s rotation slows down over time thanks to the gravitational force — or pull of the moon — and without it, days would go by in a blink.
How far does the moon recede each year?
For the last few billion years the Moon’s gravity has been raising tides in Earth’s oceanswhich the fast spinning Earth attempts to drag ahead of the sluggishly orbiting Moon. The result is that the Moon is being pushed away from Earth by 1.6 inches (4 centimeters) per year and our planet’s rotation is slowing.
How much does it cost to live on the moon?
To calculate the amount, they figured out things such as how much a rocket would cost to use per pound, the cost of landers, the cost of a lunar base, and greenhouses for food. The grand total for four astronauts to live on the Moon for one year comes out to $36,000,000,000.
Is the American flag still on the moon?
Images taken by a Nasa spacecraft show that the American flags planted in the Moon’s soil by Apollo astronauts are mostly still standing. … LRO was designed to produce the most detailed maps yet of the lunar surface.
Has anyone walked the whole of the Great Wall of China?
— The Great Wall of China stretches across more than 4,000 miles of northern China, covering more than twice the distance from Seattle to Chicago. Over the past 10 months, Chelsea, Mich., native Rob England and Ypsilanti, Mich., resident Jamie Bradish walked every step of it.