Extraterrestrial

What Exactly Does The Sun Use As Fuel And How Has It Been Able To Burn For 4.6 Billion Years Without Going Out?
The sun, which we call the 'source of all things', has been sending light and heat to the earth for the past 4.6 billion years, which is why the earth is such a vibrant planet.What exactly does the sun use as fuel and how has it been able to burn for 4.6 billion years without going out?

Mercury Has Set Seven Solar System Bests, Other Than Being The Closest To The Sun
Because Mercury does not have an atmosphere to play a role in insulation, so the temperature of the back side of Mercury can be as low as minus 172 degrees Celsius, and because of the proximity of the sun, the temperature of the sunny side of Mercury will soar to 432 degrees Celsius under the baking of the sun, so it can be seen that Mercury is simply a realistic version of the "world of ice and fire"

Is The Sun Suspended In The Universe? What Exists Above And Below The Solar System?
Below the solar system, there is a star system labeled "alpha Centauri".

Which Is The 2nd Closest Star To The Sun? What About The 3rd Closest? Take a Look At The 10 Closest Stars To The Sun
According to astronomers, Barnard's star is approaching the Sun at a rate of about 107 kilometers per second, and on this trend, it will arrive at a distance of 3.85 light-years from the Sun in 11800 AD, replacing Proxima as the closest star to the Sun

A Probe That Flew 22.8 Billion Kilometres And Finally Sent Back Pictures That Teach Mankind a Vivid Lesson
Although the Earth is just a "grain of dust suspended in the sun" in the universe, for us humans, this "grain of dust" is irreplaceable.

18.8 Billion Kilometres Away, Seven Months Out Of Control, Voyager 2 Sends a Message To Earth: Hello
It's good news that Earth has regained contact with Voyager 2 after such a long period of loss of control. But somewhat sadly, Voyager 2 is carrying very little battery power left

Aliens Disposing Of Nuclear Waste? A Star With a Bizarre Spectrum Has Scientists Suspicious
Compared to iron, those rare earth elements in the universe, which are heavier than iron, are even rarer

There Is a Mysterious Force That Controls The Workings Of The Universe And About Which Mankind Knows Almost Nothing
Further research shows that this mysterious force accounts for 68.3% of the total mass energy of the universe, and it is because of this that it is able to overcome gravity and become the dominant force controlling the operation of the universe

What Are The Seven Stars Of The Big Dipper? How Big Are They? How Far Away Are They From The Earth?
The Big Dipper is located in the constellation Ursa Major, and under good observing conditions, we can find them almost every day in the night sky of the Northern Hemisphere. These seven shining stars form a unique spoon shape that is very easy to recognize.

Three Billion Years Ahead Of Time! The Hubble Telescope Has Discovered That The Andromeda Galaxy Has Hit The Milky Way
An in-depth analysis of the light from these quasars using the Hubble telescope has shown that the Andromeda galaxy's "halo" has two nested gas shells, with the "inner shell" extending outward by about 500,000 light-years and the "outer shell" extending by up to 2 million light-years