The sun is made of superhot gas. The sun is the hottest and brightest thing in the solar system. 太阳由超高热的气体组成。 太阳是太阳系最炽热、最明亮的物体。 Fun Fact: The sun looks bigger and brighter than other stars because it is much closer to Earth. 太阳看起来比其他星星更大更亮,...
Sun and Moon How theSunand theMoonlook like today. Credit: NASA, SDO, and the HMI Science Team Information about the Sun Sun position insky map Phase: Waning Gibbous Age: 15.90 days Information about the Moon Moon position insky map
The sun shines over planet Earth in this photo taken by astronauts aboard the space shuttle Discovery in April 1990. (Image credit: NASA) The Independence Day holiday weekend is upon us and the national weather forecast from NOAA is calling for afternoon high temperatures to hit at least 90...
It's time to celebrate the Equinox! At the Planets Today, we love equinoxes... everyone on the planet (mostly) gets the same amount of day and night because planet Earth is spinning side on to the Sun. More events... Have you ever wondered "Where are the planets right now?" For...
NASA and the space industry will conduct several missions over the next year to test more efficient, environmentally friendly spacecraft, including a non-toxic propellant and solar power. ...more The sun's clock Dresden, Germany (SPX) Jun 15, 2021 ...
"To see how people long ago and people today reacted to a total eclipse of the Sun, a sight so unexpected, so dramatic, so surprising in appearance, and so unnatural even though it is utterly natural." “看看古人和今人对日全食的反应多么有趣,日全食的景象如此出乎意料、如此壮观、如此令人惊讶...
Nasa/bryan Allen The explosion of the sun is a threat straight out of science fiction, but could it really happen, and if so, what would the consequences be for our solar system? When a star explodes, it forms a supernova, a sudden and massive burst of light that can outshine a whole...
The best of National Geographic delivered to your inbox Sign up for more inspiring photos, stories, and special offers from National Geographic.Sign Up Legal Terms of Use Privacy Policy Interest-Based Ads Our Sites Nat Geo Home Attend a Live Event Book a Trip Buy Maps Inspire Your Kids Shop...
Everyone knows the Earth takes 365 days to travel around the sun. 每个人都知道地球绕太阳公转一周需要365天。 Well, that is not exactly correct. 这并不完全正确。 The Earth really takes 365 days, five hours, forty-eight minutes and forty-six seconds to complete its orbit around the sun. 地...