توضیحات:

Black hole is an object that is so dense that not even light can escape its surface. From this app, you will get introductory idea bout Black hole. Content of this app:

# What Is a Black Hole?
# Interesting facts about black holes
# How Big Are Black Holes?
# How Do Black Holes Form?
# How Do Scientists Know They Are There?
# Could a Black Hole Destroy Earth?
# What happens when you fall into a black hole?
# How do black holes affect things near them?
# Can black holes be used to travel through spacetime?
# What can we learn from black holes?
# Where are black holes located?
# Energetic X-ray Imaging Survey Telescope (EXIST)
# Glossary / Terms about Black Hole

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