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they see the past when they look up and see the galaxies. its looking back in time because light can take years to travel to earth and so its like their looking at the youth of the galaxy.

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How do scientists know so much about stars in distant galaxies?

Scientists use telescopes to observe and analyze light emitted by stars in distant galaxies. By studying the light's intensity, temperature, composition, and movement, scientists can gather information about the stars' age, size, distance, and other properties. This data helps scientists understand the behavior and characteristics of stars in those galaxies.


What does the Hubble telescope deep field image show?

The Hubble Deep Field image shows a small and seemingly empty region of space, but after a long exposure, it revealed thousands of galaxies of various shapes, sizes, and distances from Earth. This image helped scientists better understand the vastness and diversity of the universe and provided valuable insights into the early stages of galaxy formation.


What are some interesting galaxy questions that scientists are currently exploring?

Scientists are currently exploring questions about the origins of galaxies, the existence of dark matter and dark energy, the possibility of other habitable planets in our galaxy, and the nature of supermassive black holes at the centers of galaxies.


Different kinds of galaxes?

There are three main types of galaxies: spiral galaxies (like the Milky Way), elliptical galaxies (oval or spherical in shape), and irregular galaxies (lacking a distinct shape). These classifications are based on the galaxies' shapes and structures.


What do you call scientist who explore the space?

Astronomers or astrophysicists are scientists who study and explore space. They investigate celestial bodies such as planets, stars, and galaxies, as well as phenomena like black holes and dark matter.

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