- How many galaxies are named?
- How were the planets created?
- Is the Milky Way the youngest galaxy?
- How long does a Galaxy last?
- Will we die when Andromeda collides?
- How do galaxy die?
- How hot is the hottest star in the universe?
- How old is a black hole?
- How old is the oldest galaxy?
- What is the rarest star in the universe?
- In which Galaxy is our sun found?
- How is a galaxy born?
- How old is the youngest star?
- How old is space?
- How cold is space?
- Are elliptical galaxies dying?
- What is the weakest star in the universe?
- What’s the youngest thing on earth?
- How long will the universe exist?
- Who is the youngest man to have a kid?
How many galaxies are named?
All in all, Hubble reveals an estimated 100 billion galaxies in the universe or so, but this number is likely to increase to about 200 billion as telescope technology in space improves, Livio told Space.com..
How were the planets created?
The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun’s formation. The currently accepted method by which the planets formed is accretion, in which the planets began as dust grains in orbit around the central protostar.
Is the Milky Way the youngest galaxy?
Our universe is about 13.8 billion years old, so most galaxies formed when the universe was quite young! Astronomers believe that our own Milky Way galaxy is approximately 13.6 billion years old. The newest galaxy we know of formed only about 500 million years ago.
How long does a Galaxy last?
The stock answer that most smartphone companies will give you is 2-3 years. That goes for iPhones, Androids, or any of the other varieties of devices that are on the market. The reason that’s the most common response is that toward the end of its usable life, a smartphone will begin to slow down.
Will we die when Andromeda collides?
Four billion years from now, our galaxy, the Milky Way, will collide with our large spiraled neighbor, Andromeda. The galaxies as we know them will not survive. In fact, our solar system is going to outlive our galaxy.
How do galaxy die?
Galaxies die when the stars that live in them stop forming. … Scientists were able to glimpse a galaxy as it ejected almost half of the gas it uses to form stars.
How hot is the hottest star in the universe?
The Wolf-Rayet star WR 102 is the hottest star known, at 210,000 K.
How old is a black hole?
13 billion years oldAt more than 13 billion years old, the black hole and quasar are the earliest yet seen, giving astronomers insight into the formation of massive galaxies in the early universe.
How old is the oldest galaxy?
13.13 billion yearsGalaxy EGS-zs8-1 was discovered a few months before galaxy EGSY8p7 (which is now further and older), which at the time made it the oldest galaxy in the observable universe. The galaxy is 13.13 billion years old and was born 670 million years after the Big Bang.
What is the rarest star in the universe?
The least luminous O-type stars can remain on the main sequence for around 10 million years, but cool slowly during that time and become early B-type stars. No massive star remains with spectral class O for more than about 5–6 million years.
In which Galaxy is our sun found?
the Milky Way galaxyBottom line: The sun is about 1/3 the distance from the center of the Milky Way galaxy to its outer edges. It’s located in a smaller spiral arm, between two large arms, called the Orion Arm.
How is a galaxy born?
One says that galaxies were born when vast clouds of gas and dust collapsed under their own gravitational pull, allowing stars to form. … The other, which has gained strength in recent years, says the young universe contained many small “lumps” of matter, which clumped together to form galaxies.
How old is the youngest star?
Age and distanceTitleObjectDataOldest starHD 14028314.5±0.8 billion yearsYoungestStars are being formed constantly in the universe so it is impossible to tell which star is the youngest. For information on the properties of newly formed stars, See Protostar, Young stellar object and Star formation.5 more rows
How old is space?
13.8 billion yearsUniverse is 13.8 billion years old, scientists confirm Scientists estimate the age of the universe by measuring its oldest light.
How cold is space?
If atoms come to a complete stop, they are at absolute zero. Space is just above that, at an average temperature of 2.7 Kelvin (about minus 455 degrees Fahrenheit).
Are elliptical galaxies dying?
Then there’ll be a whole new era of star formation as the unspent gas in both galaxies mix together and are used up. … Elliptical galaxies are dead galaxies walking. They’ve used up all their reserves of star forming gas, and all that’s left are the longer lasting stars.
What is the weakest star in the universe?
The smallest known star right now is OGLE-TR-122b, a red dwarf star that’s part of a binary stellar system. This red dwarf the smallest star to ever have its radius accurately measured; 0.12 solar radii. This works out to be 167,000 km. That’s only 20% larger than Jupiter.
What’s the youngest thing on earth?
The planet is named K2-33b, and closely orbits a new star — which makes the planet very hot. K2-33b is believed to be about 5-10 million years old, but when you put that in comparison to Earth, which is 4.5 billion years old, the new planet is just an infant.
How long will the universe exist?
It is expected that between 1011 (100 billion) and 1012 (1 trillion) years from now, their orbits will decay and the entire Local Group will merge into one large galaxy.
Who is the youngest man to have a kid?
13 years oldDateFatherAge of father1995/96Juan Manuel Fernández Montoya13 yearsMay 1997Vili Fualaau13 years1999James Sutton13 yearsApril 2000Unidentified13 years10 more rows