○○○ nebula ⪢⪢
The solar system came into being about 4.5 billion years ago when a
cloud of interstellar gas and dust collapsed resulting in a solar nebula, a swirling disk of material that collided to form the solar system.
http://qindex.info/i.php?x=11710
○○○ host ⪢⪢
Have you ever looked up into the sky and wondered what was there? Higher than the birds, past the
clouds and farther than the moon, a whole host of fascinating objects spin in outer space.
→ wonder
#quote
http://qindex.info/i.php?x=20129
○○○ elaborate ⪢⪢
When stars with masses a bit bigger than our own sun reach the end of their life and begin to collapse to form light hot dwarf stars, they will throw off their outer layers of matter. This matter will spread and form an elaborate
cloud of gas which ...
http://qindex.info/i.php?x=19940
• Be Going To
(1) future plans decided before
"I can't go with you tonight I'm going to study at the library with some friends."
(2) predictions we can see now
"Look at the
clouds! It's going to rain."
http://qindex.info/i.php?x=4134
• Be Going To
(1) future plans decided before
"I can't go with you tonight I'm going to study at the library with some friends."
(2) predictions we can see now
"Look at the
clouds! It's going to rain."
http://qindex.info/i.php?x=4973