Artificial Satellites

Satellites increased the speed of global communications.

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it is so because in outer space , there is no light due to vacuum and so as to track satellites from earth , they reflect light.

An object in orbit is in what is known as "free-fall". The best way to understand this is to realise that the object has 2 motions: down, and sideways.

An object 1000 miles high in orbit will fall down towards the centre of the earth exactly 1000 miles. BUT, in the time it takes it to fall that 1000 miles, it moves EXACTLY 1000 miles sideways, so it is still exactly 1000 miles above the earth. It then falls exactly 1000 miles towards the centre of the earth, but in that time, moves another 1000 miles sideways, so it's STILL 1000 miles above the earth.

Now, change that 1000 miles down, for 10 miles, or 1 mile, or 1 inch, AND, change the 1000 miles sideways for 10 miles, 1 mile, 1 inch.

The concept of a stable orbit is that for each unit the object moves DOWN, it moves sideways far enough that it is still exactly the same height above the centre of what it is orbiting.

Sputnik was the first man made satellite that made it into orbit.

It proved that Soviet/Russian technology wasn't as crude as the US thought.

It was also a bit scary, because a nation that can get something into orbit will also be able to drop anything from orbit onto any other country in the world.

rohini-1

To my hypthisesis i think that theee answeer is false due to my calculations im right thee answer is true.Theee aswer is 5000 im right.Its false.

Sputnik was launched into a low-Earth orbit.

Sputnik was launched By the Soviet Union. It was the first artificial satellite to orbit Earth. it weighed about 98 pounds and took 90 minutes to orbit earth. when Sputnik was launched the Space Race began.

you tape a monkey to it

pioneer 3

It doesn't fly, it moves in free fall. And it doesn't use wings.

sputnik

satellite has no engine

This procedure is useful for adults and children who have severe incontinence due to lack of muscle contraction by either the urethral sphincter or the bowel sphincter.

Satellite rights refer to the rights acquired by a television network or channel to broadcast a film or TV show exclusively. These rights allow the broadcaster to show the content on their channels for a specified period, typically for a fee paid to the content's producers or rights holders.

The first communication satellite was Echo NASA

A satellite is in geostationary orbit when it orbits the Earth at the same speed and direction as the Earth's rotation. This allows the satellite to appear stationary from the surface of the Earth. Measurements of its position and velocity can confirm that it is in geostationary orbit.

1. Communication: Satellites enable communication services such as global telephony, television broadcasting, and internet connectivity.
2. Earth observation: Satellites provide data for weather forecasting, environmental monitoring, and mapping land use.
3. Navigation: Satellites support the Global Positioning System (GPS) for precise location and navigation services.
4. Scientific research: Satellites are used in astronomy, space exploration, and studying the Earth's atmosphere and geology.

The first artificial satellite, Sputnik 1, was launched on October 4, 1957 by the Soviet Union.

Vaxigrip, a vaccine for influenza, was first launched in France by Sanofi Pasteur. It was first introduced in 1987 and has since become one of the most widely used flu vaccines worldwide.

To the best of my memory, the first Sputnik was launched as part of the International Geophysical Year programme.

I think the first one was just a transmitter (20MHZ & 40MHz (?)) and was a major publicity event.

There were no miniaturized cameras then, but the spies no doubt had them, but I certainly don't remember any photos.