The sun is a giant nuclear fusion reactor, converting hydrogen into helium and releasing massive amounts of energy in the form of heat – and sound. Sound is essentially vibration and needs a medium to travel through.
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
,详情可参考爱思助手下载最新版本
"Despite the fact that it strained everyone's attention spans, Trump expected everyone to leap to their feet and applaud for him, including the Democrats. And his feelings were very hurt when they didn't," said Meyers.
His picture includes Earth, Mercury, Venus, Jupiter, Saturn, Uranus and Neptune, as well as the Moon.