What does edge of universe look like?
What does edge of universe look like?
It is just spacetime, expanding. “All the measurements indicate that all of the universe we can see, including the edge of the observable universe, looks approximately like our local universe does today: with stars, galaxies, and clusters of galaxies and lots of empty space.”
Can light travel forever?
As long as it doesn’t get absorbed by something, then yes, light will continue to travel indefinitely. However, due to the expansion of the universe that light wave will get stretched out along with the space it travels through, becoming lower in frequency and energy.
Which is the oldest galaxy in the universe?
target galaxy GN-z11
How old is our space?
approximately 13.8 billion years
What is the smallest planet ever discovered?
As of February 2013 it is the smallest planet discovered around a main-sequence star, with a radius slightly greater than that of the Moon and slightly smaller than that of Mercury….Kepler-37b.
| Discovery | |
|---|---|
| Mean radius | 0.354 (± 0.014) R ⊕ |
| Mass | 0.01 +5.99 −0.01 M ⊕ |
| Temperature | 700 K (427 °C; 800 °F) |
What is the nickname of the oldest star in the universe?
Methuselah
Can the universe be older than we think?
“If you study the evolution of the Universe, one of the basic rules is that we can tie redshift to age. One distinct possibility to explain these observations is that, at the redshift we are looking at, the Universe is older than we think.”
Is the Milky Way moving towards Andromeda?
And that’s going to happen someday! The Andromeda galaxy is currently racing toward our Milky Way at a speed of about 70 miles (110 km) per second.
Why is there a star that is older than the universe?
HD 140283 had a higher than predicted oxygen-to-iron ratio and, since oxygen was not abundant in the universe for a few million years, it pointed again to a lower age for the star. A 2014 follow-up study updated the star’s age to 14.27 billion years.
How many more years until the earth dies?
One billion years from now, Earth’s atmosphere will contain very little oxygen, making it uninhabitable for complex aerobic life.