
From 24 To 10 Billion! The "Battle Of The Rabbits" Lasted For More Than 100 Years, But Australia Was Defeated!
These rabbits have caused an imbalance in the local ecosystem and brought a lot of trouble to the local people's lives. Or catch them and export them to foreign countries?
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
Why Have No Advanced Civilizations Visited Earth? Perhaps In Their Eyes, Humans Are Just Ants
Intelligent life is rare in the universe, or perhaps it is just wishful thinking on our part. As mentioned earlier, just in the galaxy, there are hundreds of millions of planets that have the natural conditions to nurture life, so a reasonable speculation is that life has evolved on many planets, and even a number of planets have evolved intelligent life.
Our Fears Were Not Unfounded, As 70,000 Years Ago Our Solar System Was Invaded By Another Star
The milky way is a huge galaxy with hundreds of billions of stars, and the sun is just one of the less prominent stars that, along with many other stars in the galaxy, orbits the centre of the galaxy.
Astronomers: Alien Civilization May Have Built a Giant "Beacon" 39 Light Years Away
If you are so close to the main star in the solar system, life simply cannot survive