How many stars are in 1000 light years of Earth?
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How many stars are in 1000 light years of Earth?
The space within 1000 light years is (1000/50)³ = 8000 times as large. Assuming a homogenous distribution you can expect 7 to 8 million stars in this range.
What stars are 10000 light years away?
The Sagittarius Dwarf Galaxy It is approximately 78000 light years away and about 10000 light years in diameter.
What is 10000 light years away from Earth?
About 10,000 light-years away from Earth.
How many stars are in a light year?
A light-year, pictured as a mile For general reference, there are 63,000 astronomical units in one light-year, and 63,360 inches (160,000 cm) in one mile (1.6 km).
How many stars are there within 20 light years?
100 stars
There are over 100 stars within 20 light years. This is a list of the known stars that lie within this distance.
How many stars are within 70 light years of Earth?
List of star systems within 65–70 light-years
| Star system | Median distance (ly) | Stars in system |
|---|---|---|
| Alpha Caeli | 65.7 ± 0.7 | 2 |
| 81 Cancri | 65.7 ± 1.4 | 4 |
| Gliese 762.2 | 65.7 ± 1.3 | 1 |
| HD 136923 | 65.7 ± 1.2 | 1 |
What stars are 4000 light years away?
The most luminous star on the map is Rho Cassiopeia – to us 4000 light years away, it is just a dim naked eye star, but in reality it is a huge supergiant star 100 000 times more luminous than our Sun.
What is 5000 light years away from Earth?
In an unexpected stroke of luck, astronomers have found two planets that resemble smaller versions of Jupiter and Saturn (that’s our Saturn in the picture to the right) in a solar system nearly 5000 light years away from Earth.
How much human years is a light year?
Saying we were a space shuttle that travelled five miles per second, given that the speed of light travels at 186,282 miles per second, it would take about 37,200 human years to travel one light year.
How many Earth years are in a light year?
A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). One light year is equal to the distance that light travels in one year (it is about ten trillion kilometers, or six trillion miles). One light years is equal to approx 6.5×10^5 earht s years.