What are some famous astronomer's?

What are some famous astronomer's?
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People who made important contributions to our knowledge ofAstronomy include Kepler, Galileo, Bruno (Giordano Bruno),Einstein, Lemaitre, Zwicky, Hubble... And a host of others. You canfind many more names, for instance, if you check the Wikipediaarticle on "History of astronomy".
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SN 1054 is a supernova that was first observed in 1054 AD by Chinese, Arab and Japanese astronomers. It was visible in ordinary light for 23 days and for around two years in the night-sky. What is its famous remnant that has a pulsar at its centre and expands at the rate of 1500 km per second?

Description : SN 1054 is a supernova that was first observed in 1054 AD by Chinese, Arab and Japanese astronomers. It was visible in ordinary light for 23 days and for around two years in the night-sky. What is its famous remnant that has a pulsar at its centre and expands at the rate of 1500 km per second?

Last Answer : Crab Nebula.

6. The Theory of Panspermia is still a favourite idea for some astronomers which states that a) Life could have come from pre-existing Life b) Life started from chemicals c) Units of life called spores were transferred to different planets d) Life came out of decaying & rotting matter

Description : 6. The Theory of Panspermia is still a favourite idea for some astronomers which states that a) Life could have come from pre-existing Life b) Life started from chemicals c) Units of life called spores were transferred to different planets d) Life came out of decaying & rotting matter

Last Answer : c) Units of life called spores were transferred to different planets

How come it appears when astronomers talk of life on other planets they seem to use Earth as the only template?

Description : How come it appears when astronomers talk of life on other planets they seem to use Earth as the only template?

Last Answer : answer: What makes astronomers believe life out there has to adhere to the perimeters of here, being Earth? Nothing. In fact, many people have hypothesized just that. However, we ... asphalt. The study of these extremophiles may inform the search for extraterrestrial microorganisms, as well.

Do astronomers have to memorize every point of light in the sky?

Description : Do astronomers have to memorize every point of light in the sky?

Last Answer : No. There are too many. I’m not an astronomer, but Hubby is. I have read some articles in his magazines that mention them by numbers or some such. Maybe those are only known by their locations in the sky. . But they do know the locations and names of many as well.

How many dwarf planets have astronomers discovered ?

Description : How many dwarf planets have astronomers discovered ?

Last Answer : Astronomers have discovered 5 dwarf planets.

Why do astronomers have to move their telescopes when observing thr stars?

Description : Why do astronomers have to move their telescopes when observing thr stars?

Last Answer : Need answer

Why do astronomers think there is not great amount of mass in the halo of the milky way?

Description : Why do astronomers think there is not great amount of mass in the halo of the milky way?

Last Answer : Need answer

Why do astronomers conclude that none of the Jovian planets rings can be left over from the formation of the planets?

Description : Why do astronomers conclude that none of the Jovian planets rings can be left over from the formation of the planets?

Last Answer : I understand that they have calculated that such a ring wouldnot be stable in the long term. It might last a few hundred millionyears, at most, if I remember correctly.

What group in Egyptian society served as astronomers?

Description : What group in Egyptian society served as astronomers?

Last Answer : Need answer

What wavelengths can astronomers detect from earth?

Description : What wavelengths can astronomers detect from earth?

Last Answer : Only those which aren't absorbed too much by the atmosphere.Those are visible light, and radio waves.

What do you think when astronomers mean when they use the term observable universe?

Description : What do you think when astronomers mean when they use the term observable universe?

Last Answer : It means that anything beyond a certain distance (currentlyabout 46 billion light-years away) can't be observed by us, evenwith the best instruments, because any signal (light, gravitationalwaves, etc. ... larger than theobservable Universe. It may or may not be infinite; we don'tcurrently know.

What planet did astronomers predict its existence by observing the effects of gravity?

Description : What planet did astronomers predict its existence by observing the effects of gravity?

Last Answer : Neptune was predicted by astronomers be observing the effects ofits gravity. Neptune was discovered in 1846 by Johann GottfriedGalle.

Is it true that in the late 1500s Ptolemy's observations were supplanted by those of later Greek astronomers?

Description : Is it true that in the late 1500s Ptolemy's observations were supplanted by those of later Greek astronomers?

Last Answer : Later polish astronomers

What tools do Astronomers use to gather evidence in support of the Big Bang Theory?

Description : What tools do Astronomers use to gather evidence in support of the Big Bang Theory?

Last Answer : Feel Free to Answer

Why do astronomers use frequencies when investigating the universe?

Description : Why do astronomers use frequencies when investigating the universe?

Last Answer : It is because stars and other cosmic objects, radiate energyacross the whole of the electromagnetic spectrum.

What evidence do astronomers have that there is dark matter in the universe?

Description : What evidence do astronomers have that there is dark matter in the universe?

Last Answer : What is the answer ?

Why do astronomer's believe they can learn about early earth by studying comets?

Description : Why do astronomer's believe they can learn about early earth by studying comets?

Last Answer : Because comets were created about the same time as theEarth.

Why do astronomers use frequencies when investigating the universe?

Description : Why do astronomers use frequencies when investigating the universe?

Last Answer : It is because stars and other cosmic objects, radiate energyacross the whole of the electromagnetic spectrum.

Is astronomers a common noun?

Description : Is astronomers a common noun?

Last Answer : Yes, the noun 'astronomer' is a common noun, a general word for someone who studies the universe and the objects in it.

Can radio astronomers collect data only after dark?

Description : Can radio astronomers collect data only after dark?

Last Answer : No, they can collect data during the day, as well.

How did astronomers know that the sun rotates?

Description : How did astronomers know that the sun rotates?

Last Answer : The easiest way to see this is by observing sunspots.The Doppler effect can also be used - i.e., checking the Doppler effect from the radiation of individual parts of the Sun's surface.

How many constellations are recognized by astronomers today?

Description : How many constellations are recognized by astronomers today?

Last Answer : There are 88 constellations recognized by astronomers right now.

Why do astronomers find it difficult to locate extrasolar planets with telescope?

Description : Why do astronomers find it difficult to locate extrasolar planets with telescope?

Last Answer : light from the they orbit makes it difficult to locate extrasolar planets with telescope

Why do astronomers find it difficult to locate extrasolar planets with telescope?

Description : Why do astronomers find it difficult to locate extrasolar planets with telescope?

Last Answer : light from the they orbit makes it difficult to locate extrasolar planets with telescope