ARTICLES

Because space is a vacuum, sound waves are not capable of travelling within it. However, probes carry equipment capable of detecting electromagnetic waves in the clouds of ionized gas that they encounter. These waves occ...

www.reference.com/article/interesting-outer-space-a2991b0c1556ff2c

Some inspirational space facts for kids include those that focus on the planets, moon and galaxy. For example, the moon, also called luna, is the only natural satellite for planet Earth. It was formed 4.6 billion years a...

www.reference.com/article/inspirational-space-kids-d1eb401e7d353981

The first efforts to design rockets that could reach outer space began in the 1930s and involved scientists in Russia, Germany and the United States. On Oct. 4, 1957, Russians launched the first man-made spacecraft, Sput...

www.reference.com/article/history-space-travel-9d2de8ba7f6bf07d

SIMILAR ARTICLES

Humans cannot hear sounds in outer space, because in order for the human ear to detect sound, a sound wave must have a medium, like air or liquid, to push and travel through, eventually exerting that pressure on the eard...

www.reference.com/article/sound-outer-space-63eadd42d6cc1b10

As of 2014, NASA reports that astrophysicists are not yet aware of whether space ends or not. The governmental agency reports that although there is a finite limit to the amount of space visible from earth, this is merel...

www.reference.com/article/outer-space-end-e07f465d31b88591

Outer space contains a low density of particles, primarily hydrogen gas, along with electromagnetic radiation. Many people, however, mistakenly believe outer space is a complete vacuum. The term "outer space" is used mai...

www.reference.com/article/outer-space-made-ba2a7efbbbf0b745

Sound waves require a medium, such as air or water, in order to travel, and outer space does not contain a sufficient medium for those sound waves to be able to travel. When a sound is released from a source, the wave ca...

www.reference.com/article/can-sound-travel-through-outer-space-3f4308870eb499e2