What is the third largest wall in the world?

What is the third largest wall in the world?

Amer Fort Jaipur

Where is the second largest continuous wall in the world?

Kumbhalgarh

Which is the biggest fort in world?

Ranikot Fort

Which is the second Great Wall of the world?

Kumbhalgarh Fort

Can you whistle in space?

When astronauts are out in space, they can whistle, talk, or even yell inside their own spacesuit, but the other astronauts would not hear the noise. In fact, the middle of space is very quiet. Sound travels in waves, and it moves at different speeds through air or water or other materials.

Are there canyons on the moon?

Rille /ˈrɪl/ (German for ‘groove’) is typically used to describe any of the long, narrow depressions in the surface of the Moon that resemble channels. The Latin term is rima, plural rimae. Typically a rille can be up to several kilometers wide and hundreds of kilometers in length.

How deep are canyons on the moon?

The newfound Titan canyons are up to 1,870 feet (570 meters) deep and feature slopes that are at least 40 degrees steep, though they’re fairly narrow, with maximum widths of around 0.5 miles (0.8 kilometers), researchers said.

What does Rille mean?

Rille, any of various valleys or trenches on the surface of the Moon. The term was introduced by early telescopic observers—probably by the German astronomer Johann Schröter about 1800—to denote such lunar features. The word rima (from Latin, “fissure”) is often used for the same kind of features.

Can any man made object be seen from space?

Artificial structures visible from Earth orbit without magnification include highways, dams, and cities. The Great Wall of China, often cited as the only human-made structure visible from space, is not visible from low Earth orbit without magnification, and even then can be seen only under perfect conditions.

Can we see Earth from moon?

The moon is tidally locked with Earth, meaning the moon’s orbital period matches its rotational period. It takes about a month for both the moon to orbit Earth and for the moon to rotate on its axis. If you were camped out on the far side of the moon, you’d never have a view of Earth.

How many man made objects are in space?

100,000 man made objects

Can you see other planets from space?

Yes, and ofcourse Astronauts can see other planets from ISS. Since, planets like Venus, Mars, Jupiter can easily be spotted from Earth and in this case, when astronauts are above the Earth’s atmosphere (400 Km) and free from atmospheric pollution. Here’s the picture of Venus seen from the International Space Station.