Technology

Lunar rover taken to the moon driven around and is still where it was parked. For all the idiots, morons and naysayers who say we didn't go to the moon explain that one!( and the laser reflectors we monitor.)

The trapping of longwave radiation in the atmosphere is known as the greenhouse effect. This process involves certain gases, such as carbon dioxide and water vapor, absorbing and re-emitting infrared radiation, which helps to warm the Earth's surface.

Yes, a spacecraft and a spaceship refer to the same thing: a vehicle designed for travel in outer space. Both terms are often used interchangeably to describe vehicles used for space exploration or travel beyond Earth's atmosphere.

The dot at the bottom right of each cell in Microsoft Excel is called the fill handle. It is used to quickly fill cells with repetitive or sequential data by dragging the handle across multiple cells.

The first flight of a vehicle powered by a liquid-rocket took place onMarch 16, 1926 at Auburn, Massachusetts, when American professor Robert H. Goddard launched a rocket which used liquid oxygen and gasoline as propellants. The rocket, which was dubbed "Nell", rose just 41 feet during a 2.5-second flight that ended in a cabbage field, but it was an important demonstration that liquid rockets were possible.

Fuzzy wuzzy was a bear

But Fuzzy wuzzy had no hair

So he wasn't fuzzy, wuzzy?

A time candle is a candle that burns at rate that when it burns past a certain mark the people that are using it know how long it takes for the candle to reach that mark. So a twenty second time candle will only burn for twenty seconds. Hunch1000

Well newtons second law is f=ma of force=mass*acceleration, so when creating rockets, scientists must take into account all three of these factors. The mass or weight will determine how much friction it generates and therefor the amount of acceleration needed to surpass the friction. So newtons second law has everything to do with rockets.

To determine the magnification of the eyepiece on a microscope take the total magnification for the microscope and divide it by the total magnification of the objective lens. The answer is what the magnification is for the eyepiece.

Space technology has allowed the nation of India to move into the world of high technology, a place previously occupied only by more-developed nations.

India has been up there since July 18, 1980, when it became the eighth to demonstrate it could send a satellite to orbit above Earth. India launched the satellite Rohini 1 on an Satellite Launch Vehicle (SLV) rocket from the Sriharikota Island launch site.

Indian cosmonaut Rakesh Sharma spent eight days in 1984 aboard the USSR's space station Salyut 7.

In recent years, India has concentrated much of its space development work on complex applications satellites and more powerful rockets. The nation's two main interests are satellites for remote sensing and communications -- used for weather pictures, disaster warnings and feeds to 552 television and 164 radio stations on the ground.

The last space ship to launch into space was the SpaceX Crew Dragon Endeavour on November 10, 2021. It launched from NASA's Kennedy Space Center in Florida, carrying astronauts to the International Space Station.

Commercial concentrated solar power plants were first developed in the 1980s

In the 1950's the Bell corporation was the first to develop the solar cell

a Swiss scientist named Horace de Saussure began studying the potential of solar energy. In 1767, he was recognized for developing a solar energy collector

Around 1904, American Henry Willsie was recognized as the first person to store energy generated during the day so that it could be used at night

The study of transcription is called transcriptional regulation. It involves understanding how genes are transcribed into RNA molecules, which can then be translated into proteins. Researchers study factors that influence transcription, such as transcription factors, promoters, and enhancers.

If you are referring to radioactive fallout on the planet earth, it is two billion years old. Africa has places where natural reactors formed where U235 precipitated from streams where they reached the ocean. They produced fallout.

The sun is large, the moon is small. The sun is gaseous, the moon is solid. The sun shines by its own nuclear fusion, whereas the moon shines only by the reflected light of the sun (and to a much lesser extent) of the stars.

The moon orbits the earth, whereas the sun orbits the galaxy.

The sun is only visible during the day (obviously), while the moon can usually be seen day or night.

It is generally cheaper to send a robot to space than a human because robots do not have life support systems or return requirements. Sending a robot also eliminates the need for training, monitoring, and ensuring the safety of a human astronaut. Additionally, robots can withstand harsh conditions better than humans, reducing the cost of specialized equipment.

A mature Brahman bull can weigh between 1,700 to 2,200 pounds, while a mature Brahman cow typically weighs between 1,000 to 1,400 pounds. These weights can vary based on factors such as age, genetics, and overall health of the animal.

A heliostat is a device that uses mirrors to track the movement of the sun and reflect sunlight onto a specific target, such as a solar panel or a building. It is commonly used in solar energy systems to maximize the amount of sunlight that can be captured and converted into usable energy.

Peter Henlein, a German locksmith and clockmaker, is credited with inventing the portable clock, also known as the pocket watch, around 1505. He pioneered the development of smaller, more portable timepieces that could be carried around conveniently.

Liquid rockets can use a single liquid, two liquids or, rarely, three fuels (more correctly called propellants). The most common type uses two propellants, generally one liquid fuel and one oxidizer -- such as liquid hydrogen (fuel) and liquid oxygen (oxidizer).

The first space buggy to go into space was the Soviet Union's Lunokhod 1, which was launched in 1970 as part of the Luna program.

The principle of how rockets work is based on Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. Rocket propulsion involves expelling mass at high velocity in one direction, causing the rocket to move in the opposite direction. This principle allows rockets to generate thrust and propel themselves through space.

No. Night Vision equipment uses infra-red (IR) light, wavelengths of light longer (lower frequency) than visible light. Infra="below", red, or light below red light in the spectrum.

UV stands for ultra (above)-violet, light that is above the violet light spectrum, so higher frequency=shorter wavelength.

Well Airborne RADAR works in similar manner as their Ground counterpart , the differences typically lies in mode of operations, processing software , physical size and functions .usually Airborne RADAR's , especially for those who's required to detect target that flies at low altitude uses Doppler measurements to differentiate between target and steady objects like grounds . It's also may have a "compensations" to correct tracking error caused by the carrier's own movement

EDIT- It seems the previous answer is bit too complex for some people

Air to Air airborne radar uses combinations of range ambiguous and Doppler ambiguous modes. High Pulse Repletion Frequency (HPRF) modes which are range ambiguous, to measure Doppler unambiguously. Low Pulse Repletion Frequency (LPRF)modes measure range unambiguously both of these modes still measure both Range and Doppler and resolve the ambiguous measurement using Chinese remainder theorem. This resolving of the ambiguous measurement uses different measurement parameters that are not related provide a measurement remaining that can be related to unfold Range or Doppler measurements. In between the HPRF and LPRF is the Medium Pulse Repetition Frequency Mode which are both Range and Doppler ambiguous. Repetition Rate of Pulses adaptation can be mixed together and sequenced. Some modes are have better properties then others for measuring particular targets or characteristic of some targets. The question of ambiguity, and therefore what defines a Pulse Repetition Frequency as High Medium or Low is dependent on the target characteristic and the range you wish to measure to.

According to NASA, International Space Station (ISS) was launched to be an observatory or laboratory in space. Although it was planned to provide maintenance, transportation for possible future missions to Moon, Mars and asteroids.