Answer:

1. Our universe began with an explosion of space itself - the Big Bang.

2. When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun.

3. July 23, 2012

Answer:

1.During the Big Bang, all the space, time, matter, and energy in the Universe was created. This giant explosion hurled matter in all directions and caused space itself to expand.

2.When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust into become the third planet from the sun.

3.When Earth had a near miss with a solar flare, or coronal mass ejection (CME), from the most powerful storm on the sun in over 150 years , but nobody decided to mention it.

Explanation:

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