WebA cepheid variable in a nearby galaxy looks 10 6 times fainter than an identical cepheid (in the milky way) 1000 parsecs away. how far away is the nearby galaxy? The Milky Way … The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Sun does not lie near the center of our Galaxy. It lies about 8 kpc from the center on what is known as the Orion Arm of the Milky Way. Meer weergeven Because we dwell within the Milky Way Galaxy, it is impossible for us to take a picture of its spiral structure from the outside. But we do know that our Milky Way has a spiral nature from observations made from … Meer weergeven Although the light year is a commonly used unit, astronomers prefer a different unit called the parsec (pc). A parsec, equal to 3.26 light years, is defined as the distance at … Meer weergeven Distance is a useful tool on the galactic scale. If you can measure the average speed of stars as they move around the Galactic Center and their distance from the Galactic Center, you can make a plot called a … Meer weergeven Parallaxes give us distances to stars up to perhaps a few thousand light years. Beyond that distance, parallaxes are so small than … Meer weergeven
Astronomy - The Galaxy Flashcards Quizlet
Web8 jul. 2015 · About 8 kiloparsec (26 thousand light years) from us in the constellation Sagittarius lies the center of the Milky Way. It can be difficult to see all the way to the center due to the enormous amounts of gas and dust in the way, but astronomers have managed to pierce this veil to study the heart of the Milky Way galaxy. Web23 jul. 2024 · We are about 25,896 light-years away from the centre of the galaxy. An interesting fact is that we are closer to the Canis Major Dwarf Galaxy than we are to the … nothing tbh
How long would it take a spacecraft to reach the nearest galaxy?
Web24 mrt. 2014 · 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 … Web5 apr. 2024 · The Andromeda Galaxy is one of the few visible to the unaided eye, appearing as a milky blur. It is located about 2,480,000 light-years from Earth; its diameter is approximately 200,000 light-years; and … Web27 nov. 2024 · This map has suggested that the center of the Milky Way, and the black hole which sits there, is located 25,800 light-years from Earth. This is closer than the … nothing tastes as good as thin feels quote