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Since the beginning of time, humans have gazed up at the stars and wondered what lies beyond our world. With advances in technology, we have been able to explore our solar system and beyond, and have made some incredible discoveries. Here are 10 of the most amazing things we have found through space exploration.
1. Earth isn’t round
You probably learned in school that the Earth is a round object, but it’s actually not perfectly round. It’s actually an oblate spheroid, which means it’s slightly flattened at the poles. This discovery was made by observing the Earth from space.
2. There are other Earth-like planets
In recent years, astronomers have discovered many planets that are similar to Earth in size and composition. These planets are known as “exoplanets,” and there are currently over 4,000 known exoplanets. It’s possible that some of these planets could be habitable, which means they could support life.
3. There’s water on Mars
For many years, it was believed that Mars was a dry and barren world. However, recent discoveries have revealed that there is water on Mars. In 2015, NASA’s Mars Reconnaissance Orbiter found evidence of flowing water on the Red Planet.
4. The universe is expanding
In the 1920s, astronomer Edwin Hubble discovered that the universe is expanding. This means that the space between galaxies is getting larger. The expansion of the universe is one of the most important discoveries in cosmology.
5. There are black holes
Black holes are regions of space where the gravitational pull is so strong that not even light can escape. These strange objects were first predicted by Einstein’s theory of general relativity. Astronomers have the-worlds-second-largest-economy-is-falling-into-a-dangerous-trap/’>since found evidence of black holes, and they are some of the most fascinating objects in the universe.
6. The sun has a partner
In 2016, astronomers discovered that the sun has an invisible partner star. This star, called Proxima Centauri, is the closest star to our solar system. Proxima Centauri is a red dwarf star, and it’s thought that it has a planet orbiting it that could be habitable.
7. There are moons with oceans
Several moons in our solar system are thought to have oceans of liquid water beneath their surface. These moons include Europa, one of Jupiter’s moons, and Enceladus, one of Saturn’s moons. The existence of these oceans raises the possibility that these moons could support life.
8. There’s a “super Earth”
In 2014, astronomers discovered a planet that is about six times the size of Earth. This planet, called HD 40307g, is located in the “habitable zone” of its star, which means it could potentially support life. HD 40307g is one of the most promising candidates for habitability that has been found so far.
9. There are comets made of ice
Comets are small, icy bodies that orbit the sun. They are believed to be leftovers from the formation of the solar system. Comets are often called “dirty snowballs” because they are made of a mix of ice and dust.
10. There are stars with planets
In recent years, astronomers have discovered many planets orbiting other stars. These planets are called “exoplanets,” and there are currently over 4,000 known exoplanets. It’s possible that some of these planets could be habitable, which means they could support life.Space exploration is the ongoing discovery and exploration of celestial structures in outer space by means of continuously evolving and growing space technology. While the study of space is carried out mainly by astronomers with telescopes, the physical exploration of space is conducted both by unmanned robotic probes and human spaceflight. Space exploration, like its classical form of terrestrial exploration, is a natural extension of the human curiosity and desire to understand and expand our reach into the unknown.
The history of space exploration can be traced back to the early 1600s, when Galileo Galilei used a telescope to study the moons of Jupiter. In the centuries that followed, a number of other astronomers made important discoveries about the solar system and the universe beyond. However, it was not until the mid-20th century that space exploration really began to take off.
In 1957, the Soviet Union launched the first artificial satellite, Sputnik 1, into orbit. This achievement was quickly followed by the launch of the first human being into space, Yuri Gagarin, also by the Soviets. These milestones sparked a major space race between the USSR and the United States, which culminated in the Apollo 11 mission in 1969, when American astronauts Neil Armstrong and Edwin “Buzz” Aldrin became the first humans to walk on the moon.
Since then, space exploration has continued to grow in scope and ambition. In 1975, a joint American-Soviet mission saw the first space rendezvous and docking of two spacecraft, while in 1981, the first reusable spacecraft, the Space Shuttle, was launched. In 1986, another major milestone was reached when the Soviet Union’s Mir space station began operations. This was followed in 1998 by the launch of the first module of the International Space Station, a project involving 16 nations.
In recent years, space exploration has been focused on the exploration of our solar system. In 2004, the Mars Exploration Rovers Spirit and Opportunity landed on the Martian surface, while in 2005, the Cassini-Huygens spacecraft began orbiting Saturn and studying its moons. In 2006, the New Horizons spacecraft was launched on a mission to Pluto, and in 2015, the Dawn spacecraft entered orbit around Ceres, a dwarf planet in the asteroid belt.
Looking to the future, there are a number of exciting space missions currently being planned or developed. These include NASA’s James Webb Space Telescope, which is due to be launched in 2018, and the European Space Agency’s Gaia mission, which is set to map the Milky Way in unprecedented detail. There are also plans for a number of missions to Mars, including NASA’s Mars 2020 rover and the European Space Agency’s ExoMars rover, both of which are due to launch in 2020.
With so many exciting missions on the horizon, it is clear that space exploration will continue to be a vital part of our quest to understand the universe we live in.
