Science

14 cards·by butterfly101

The _______ of an object affects how much gravatational pull there is.

mass

What causes a black hole?

When the leftover of a supernova are so massive, they callapse.

What is a supernova? What does it cause?

It is adeath of a large star. Then by explosion, supernovas can cause black holes.

What is the sun?

A main sequence star. (A dwarf star)

What is our galaxy?

The Milky Way is a spiral galaxy.

What is a galaxy?

A group of stars.

What types of galaxies are there?

spiral, elliptical, irregular

How is a Giant Star formed?

It runs out of hydrogen so the centre shrinks and the outer part expands outward.

How is a Dwarf Star formed?

They are small and hot and are the leftover centres of old stars. They are the oldest stars in the universe.

What is a Solar System?

It includes the sun and all objects in space are effected by the suns gravity. Plants and other bodies that travel around the sun.

What is a Pulsar?

A nutron star after a supernova, that spins.

How are stars made?

Dust and gas clump together and gravity causes them to callapse and bring together. Nuclaer Fusion occurs turning hydrogen into helium.

What characteristic makes a sun different then a regular star?

It is close enough to the Earth providing us light and warmth.

Order largest to smallest. galaxies, universe, plants, solar system, astroids

universe, galaxies, solar system, planets, asteroids