◎◎◎ space ⪢⪢
A space is an empty area.
http://qindex.info/i.php?x=14325
◎◎◎ astronaut ⪢⪢
An _____ is a person who travels in space.
http://qindex.info/i.php?x=22004
◎◎◎ universe ⪢⪢
The _____ is the known or supposed objects in space.
http://qindex.info/i.php?x=7494
◎◎◎ cave ⪢⪢
A _____ is a natural opening in the ground with a hollow space beneath the surface large enough for people to enter.
http://qindex.info/i.php?x=1182
○○○ Point ⪢⪢
First we look at a point. This is nothing more than a location in space. It is zero-dimensional, meaning that it has no dimensions of any kind. #math
http://qindex.info/i.php?x=5030
○○○ anniversary ⪢⪢
And the American space agency NASA marks the 30th anniversary of the Hubble Space Telescope. 2020-12-14
http://qindex.info/i.php?x=10147
○○○ topology ⪢⪢
Topology is a branch of math, which is kind of like geometry. It studies shapes and spaces, but ones that are arbitrarily stretchy and bendy. It's sometimes called rubber sheet geometry.
http://qindex.info/i.php?x=14104
○○○ without you by my side ⪢⪢
At first I was afraid, I was petrified, kept thinking I could never live _____. But then I spent so many nights thinking how you did me wrong and I grew strong and I learned how to get along and so you're back from outer space. #song #lyrics
http://qindex.info/i.php?x=9929
○○○ place ⪢⪢
China's space agency releases pictures of a Chinese flag that a Chinese space craft placed on the moon Thursday. 2020-12-04
http://qindex.info/i.php?x=11769
○○○ pylon ⪢⪢
The spaceship unity pilots are arming a launch pylon now.
http://qindex.info/i.php?x=16085
○○○ launch ⪢⪢
Amazon founder Jeff Bezos launches into space from West Texas on the first passenger flight of his company's rocket. With him were his brother, an 82-year-old pilot and a Dutch teenager.
http://qindex.info/i.php?x=16209
○○○ everyday ⪢⪢
357 miles above planet Earth tonight four everyday Americans in process of proving that space travel for the rest of us is possible.
http://qindex.info/i.php?x=16792
○○○ laboratory ⪢⪢
And Russia says it will end cooperation with the U.S. on the International Space Station to develop its own orbiting laboratory. 2022-07-26
http://qindex.info/i.php?x=19606
○○○ drift ⪢⪢
More than that, the sun is what holds the solar system together. It's massive gravity is what keeps the earth and all the other planets circling around it instead of drifting off into space.
http://qindex.info/i.php?x=19742
○○○ spacecraft ⪢⪢
Humans have sent spacecrafts to the farthest reaches of our solar system. #bookmark
http://qindex.info/i.php?x=20004
○○○ 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
○○○ module ⪢⪢
And China's Wentian laboratory module successfully links up with the orbiting Tianhe space station after a 13-hour operation. 2022-07-25
http://qindex.info/i.php?x=21710
○○○ space ⪢⪢
http://qindex.info/i.php?x=14326
○○○ aboard ⪢⪢
In order to save space aboard the ship, the aircraft incorporates folded wing technology. → X-47B #image #military
http://qindex.info/i.php?x=23634
○○○ front room ⪢⪢
At 9 feet long and 6 feet wide, it would take up quite a lot of space in most modern _____.
http://qindex.info/i.php?x=27760
○○○ renting ⪢⪢
Renting office space can be cost-effective for small businesses.
http://qindex.info/i.php?x=28859
○○○ form ⪢⪢
NASA's James Webb Space Telescope has captured its first image of a massive star forming region.
http://qindex.info/i.php?x=29457
 Space
By stringing an infinite number of lines along a dimension perpendicular to the line, a two-dimensional object called a plane can be obtained. And then if we string an infinite number of planes in either direction, we get three dimensional space.
http://qindex.info/i.php?x=5178
◌◌◌ Plane
By stringing an infinite number of lines along a dimension perpendicular to the line, a two-dimensional object called a plane can be obtained. And then if we string an infinite number of planes in either direction, we get three dimensional space.
http://qindex.info/i.php?x=5031
 What is a Vector Space? (Abstract Algebra)
http://qindex.info/i.php?x=5206
 Leonard Susskind
The space itself may be more than three dimensions. But we can't visualize more dimensions. The architecture of the brain itself is evolved in the world of three dimensions. We only describe more dimensions by pure mathematics.
http://qindex.info/i.php?x=5242
 The Poincare Conjecture
In the early 1900s mathematicians and physicists were very interested in the shape of space. New experiments and theories were being developed that would ultimately create relativity theory and change our entire view of the universe.
http://qindex.info/i.php?x=3533
  Hubble Space Telescope
http://qindex.info/i.php?x=20425
 space station comparison
http://qindex.info/i.php?x=10218
◌◌◌ SpaceX
NASA Astronauts Make Historic Splashdown In SpaceX Capsule
http://qindex.info/i.php?x=10182
◌◌◌ SpaceX
Starlink
http://qindex.info/i.php?x=11801
 Laika, the Space Dog
#4000
http://qindex.info/i.php?x=13191
 Hubble Space Telescope
http://qindex.info/i.php?x=15311
 James Webb Space Telescope
#listening
http://qindex.info/i.php?x=17865
 James Webb Space Telescope
http://qindex.info/i.php?x=18407
 10 Space Images
http://qindex.info/i.php?x=20001
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