What astronomical instrument was an Islamic invention?

What astronomical instrument was an Islamic invention?

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Q. What astronomical instrument was an Islamic invention?

Brass astrolabes

Q. What did astronomer do?

An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy.

Q. What Quran says about cosmology?

The Quran states that the universe was created in six ayyam (days). (In verse 50:38 among others). However, it is important to note that the “days” mentioned in Quran does not equals to the “24 hours day period”. According to verse 70:4, one day in Quran is equal to 50,000 years on Earth.

Q. What means astronomy?

Astronomy (from Greek: ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies celestial objects and phenomena. Objects of interest include planets, moons, stars, nebulae, galaxies, and comets.

Q. What are the 2 types of astronomy?

Since the 20th century there have been two main types of astronomy, observational and theoretical astronomy. Observational astronomy uses telescopes and cameras to observe or look at stars, galaxies and other astronomical objects.

Q. What does the word astronomy literally mean in old Greek?

The word astronomy comes from a Greek word that literally (and poetically) means “star-arranging.”

Q. What does galaxy mean in Latin?

Etymology. The word galaxy was borrowed via French and Medieval Latin from the Greek term for the Milky Way, galaxías (kúklos) γαλαξίας (κύκλος) ‘milky (circle)’, named after its appearance as a milky band of light in the sky. Galaxies were initially discovered telescopically and were known as spiral nebulae.

Q. What is Sun and Moon called?

Solar and lunar eclipses occur at times of syzygy, as do transits and occultations. The term is often applied when the Sun and Moon are in conjunction (new moon) or opposition (full moon). The word syzygy is often used to describe interesting configurations of astronomical objects in general.

Q. Where did the word chemistry come from?

Chemistry, from the ancient Egyptian word “khēmia” meaning transmutation of earth, is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as molecules, crystals, and metals.

Q. Who first discovered chemistry?

Jöns Jacob Berzelius Along with Lavoisier, Boyle, and Dalton, Berzelius is known as the father of modern chemistry. In 1828 he compiled a table of relative atomic weights, where oxygen was used as a standard, with its weight set at 100, and which included all of the elements known at the time.

Q. Who is the first chemist?

Tapputi

Q. Who was the first woman chemist?

Marie Curie was the first woman to receive the prize in 1911, which was her second Nobel Prize (she also won the prize in physics in 1903, along with Pierre Curie and Henri Becquerel – making her the only woman to be award two Nobel prizes).

Q. Who was the first chemist in India?

Asima Chatterjee
NationalityIndian
Alma materUniversity of Calcutta
Scientific career
FieldsOrganic chemistry, phytomedicine

Q. Who is the father of organic chemistry?

Friedrich Wöhler

Q. What is the meaning of organic chemistry?

Organic chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.

Q. What does physical chemistry include?

Physical chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibrium.

Q. What is urea formula?

CH₄N₂O

Q. What is the function of urea?

The cycling of and excretion of urea by the kidneys is a vital part of mammalian metabolism. Besides its role as carrier of waste nitrogen, urea also plays a role in the countercurrent exchange system of the nephrons, that allows for re-absorption of water and critical ions from the excreted urine.

Q. Is urea soluble in water?

Water

Q. What is the formula of formaldehyde?

CH2O

Q. What is the common name of formaldehyde?

Formaldehyde

Names
Systematic IUPAC name Methanal
Other names Methyl aldehyde Methylene glycol (diol forms in aqueous solution) Methylene oxide Formalin (aqueous solution) Formol Carbonyl hydride
Identifiers
CAS Number50-00-0

Q. What is Ketone formula?

In chemistry, a ketone /ˈkiːtoʊn/ is a functional group with the structure R2C=O, where R can be a variety of carbon-containing substituents. The simplest ketone is acetone (R = R’ = methyl), with the formula CH3C(O)CH3.

Q. What is the formula of vinegar?

CH₃COOH

Q. What is the chemical name of baking soda?

Sodium hydrogen carbonate

Q. What is the name of hi?

Hydroiodic acid

Names
Chemical formulaHI(aq)
Molar mass127.91 g/mol
Appearancecolorless liquid
Odoracrid

Q. What is hcio2?

Chlorous acid is an inorganic compound with the formula HClO2. It is a weak acid. Chlorine has oxidation state +3 in this acid.

Q. What is the name for HClO?

hypochlorous acid, chloric(I) acid, chloranol, hydroxidochlorine

Q. What is the name for H2SO4?

Sulfuric acid

Q. What is the name for HBR?

Hydrogen bromide

Q. Is HBr toxic?

Safety. HBr is highly corrosive and irritating to inhalation.

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