So 1,400 light-years equals about 8.2 quadrillion miles. If we took one of our fastest probes to the planet, New Horizons, which is currently traveling about 36,000 miles per hour (50,000 km/h), it would take well over 26 million years to reach our destination.
The star that Kepler-452b orbits has the same spectral type (G2) as the Sun and is about 1,400 light-years from Earth. The planet's radius is 1.63 times that of Earth.
It's a star that's similar to our own sun, but it's too faint for us to see from Earth without a telescope. Kepler-452 is about 1,800 light years away, which means it currently would take a spacecraft about 30m years to travel there.
At that speed, it would take a spacecraft about 26 million years to reach Kepler-452b from Earth, if it was going in that direction. Comparison of small planets found by Kepler in the habitable zone of their host stars.
Even if we had a spacecraft that could travel at the speed of light (and we definitely don't), it'd take 500 years to reach Kepler-186f.
The light travels at the speed of 1 light year. Therefore, if we assume light to be travelling, then it will travel 500 light years in 500 years.
The first planet they land on is close to a supermassive black hole, dubbed Gargantuan, whose gravitational pull causes massive waves on the planet that toss their spacecraft about. Its proximity to the black hole also causes an extreme time dilation, where one hour on the distant planet equals 7 years on Earth.
Some parts of the world will be uninhabitable by 2050 due to climate change, according to NASA. NASA recently published a map of the world showing the regions that will become uninhabitable for humans by 2050.
In about 500 million years, the atmosphere will be so deficient in carbon dioxide that all plants will die, followed eventually by all life that depends on plants.
In estimated one billion years the concentration of carbon-dioxide in earth's atmosphere will be too low to sustain plants or other phototropic organisms. Without plants also higher animals will have soon or later no food and starve to death.
Using data from NASA's Transiting Exoplanet Survey Satellite, scientists have identified an Earth-size world, called TOI 700 e, orbiting within the habitable zone of its star – the range of distances where liquid water could occur on a planet's surface. The world is 95% Earth's size and likely rocky.
No other planet in our solar system currently has the conditions to support life as we know it on Earth. Even if scientists discover another habitable planet outside of our solar system, humans do not yet have the technology to visit it.
Europa's surface is blasted by radiation from Jupiter. That's a bad thing for life on the surface – it couldn't survive. But the radiation may create fuel for life in an ocean below the surface. The radiation splits apart water molecules (H2O, made of oxygen and hydrogen) in Europa's extremely tenuous atmosphere.
For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
However, unlike Saturn, Uranus and its rings are 'tilted' almost completely sideways, like a spinning top that has fallen over. This means that as the planet orbits the Sun, each of its poles experiences continuous sunlight for around 42 years at a time, followed by 42 years of complete darkness.
In 100 years, oceans will most likely rise, displacing many people, and it will continue to become warm and acidic. Natural disasters like wildfires and hurricanes will continue to be very common and water resources could be scarce. NASA is researching earth to make observations that will benefit everyone.
According to a US report, the sea level will increase by 2050. Due to which many cities and islands situated on the shores of the sea will get absorbed in the water. By 2050, 50% of jobs will also be lost because robots will be doing most of the work at that time. Let us tell you that 2050 will be a challenge to death.
By 1014 (100 trillion) years from now, star formation will end, leaving all stellar objects in the form of degenerate remnants. If protons do not decay, stellar-mass objects will disappear more slowly, making this era last longer.
Unless CO2 emissions drop significantly, global warming by 2500 will make the Amazon barren, the American Midwest tropical, and India too hot to live in, according to a team of international scientists.
It says that global average temperatures are estimated to rise 1.5 degrees Celsius (2.7 degrees Fahrenheit) above preindustrial levels sometime around “the first half of the 2030s,” as humans continue to burn coal, oil and natural gas.
Heatwaves will be more frequent and long-lasting, causing droughts, global food shortages, migration, and increased spread of infectious diseases. Moreover, as the polar ice will melt, sea levels will rise substantially, affecting a large number of coastline cities and as many as 275 million of their inhabitants.
Lucas Zeppetello at Harvard University and his colleagues modelled a range of greenhouse gas emissions scenarios based on global population and economic growth by the end of the century. They found that global average temperature would rise between 2.1°C and 4.3°C by 2100.
While researchers have never found a wormhole in our universe, scientists often see wormholes described in the solutions to important physics equations. Most prominently, the solutions to the equations behind Einstein's theory of space-time and general relativity include wormholes.
This form of time dilation is also real, and it's because in Einstein's theory of general relativity, gravity can bend spacetime, and therefore time itself. The closer the clock is to the source of gravitation, the slower time passes; the farther away the clock is from gravity, the faster time will pass.
Measuring a day as such is used in astronomy. A sidereal day is about 4 minutes less than a solar day of 24 hours (23 hours 56 minutes and 4.09 seconds), or 0.99726968 of a solar day of 24 hours.