Catholicism

It is not okay for someone to receive Holy Communion in a Catholic Church if he or she:

1) is not Catholic

2) is excommunicated

3) is not in union with the Catholic Church and everything she teaches

4) is not in the state of grace

5) has not observed the proper fast before the reception of Holy Communion.

If any one or more of these factors is present that person must not receive Holy Communion.

The heliocentric theory has a long and involved history with the church. It has been covered extensively in the Catholic encyclopedia. The link below will take you to the entire discussion. This is from the website Catholic Answers in its article on Galileo:

Nicolaus Copernicus dedicated his most famous work,On the Revolution of the Celestial Orbs, in which he gave an excellent account of heliocentricity, to Pope Paul III. Copernicus entrusted this work to Andreas Osiander, a Lutheran clergyman who knew that Protestant reaction to it would be negative, since Martin Luther seemed to have condemned the new theory, and, as a result, the book would be condemned. Osiander wrote a preface to the book, in which heliocentrism was presented only as a theory that would account for the movements of the planets more simply than geocentrism did—something Copernicus did not intend.

Ten years prior to Galileo, Johannes Kepler
published a heliocentric work that expanded on Copernicus’ work. As a result, Kepler also found opposition among his fellow Protestants for his heliocentric views and found a welcome reception among some Jesuits who were known for their scientific achievements

Absolutely not, The only chosen people are the Jews, the rest of us are grafted into the family, and that include the catholics, The Jews(Noa-Abram-Moses-Jew) entered into the covenant with YWHW first and we came into the promises of YWHW later, through Yeshua. Paul was the one to preach to the gentiles, There were gentiles that believed on the word and was saved before this, but the beginning of the faith for us and salvation through Yeshua really started with the preaching of Paul. Has you read these, you well see that the Jews are the ones that are the only chosen, but by the love and Grace and Mercy, He has made away for all! Here are a few scriptures, Chapter 11 God has not cast off all Israel, but has saved a remnant 1 I say then, Hath God cast away his people? God forbid. For I also am an Israelite, of the seed of Abraham, of the tribe of Benjamin. 2 God hath not cast away his people which he foreknew. Wot ye not what the scripture saith of Elias? how he maketh intercession to God against Israel, saying, 3 Lord, they have killed thy prophets, and digged down thine altars; and I am left alone, and they seek my life. 4 But what saith the answer of God unto him? I have reserved to myself seven thousand men, who have not bowed the knee to the image of Baal. 5 Even so then at this present time also there is a remnant according to the election of grace. 6 And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then is it no more grace: otherwise work is no more work. 7 What then? Israel hath not obtained that which he seeketh for; but the election hath obtained it, and the rest were blinded 8 (According as it is written, God hath given them the spirit of slumber, eyes that they should not see, and ears that they should not hear;) unto this day. 9 And David saith, Let their table be made a snare, and a trap, and a stumblingblock, and a recompence unto them: 10 Let their eyes be darkened, that they may not see, and bow down their back alway. 11 I say then, Have they stumbled that they should fall? God forbid: but ratherthrough their fall salvation is come unto the Gentiles, for to provoke them to jealousy. 12 Now if the fall of them bethe riches of the world, and the diminishing of them the riches of the Gentiles; how much more their fulness? 13 For I speak to you Gentiles, inasmuch as I am the apostle of the Gentiles, I magnify mine office: 14 If by any means I may provoke to emulation them which are my flesh, and might save some of them. 15 For if the casting away of them be the reconciling of the world, what shall the receiving of them be, but life from the dead? 16 For if the firstfruit be holy, the lump isalso holy: and if the root be holy, so are the branches. 17 And if some of the branches be broken off, and thou, being a wild olive tree, wert graffed in among them, and with them partakest of the root and fatness of the olive tree; 18 Boast not against the branches. But if thou boast, thou bearest not the root, but the root thee. 19 Thou wilt say then, The branches were broken off, that I might be graffed in. 20 Well; because of unbelief they were broken off, and thou standest by faith. Be not highminded, but fear: 21 For if God spared not the natural branches, take heed lest he also spare not thee. 22 Behold therefore the goodness and severity of God: on them which fell, severity; but toward thee, goodness, if thou continue in his goodness: otherwise thou also shalt be cut off. 23 And they also, if they abide not still in unbelief, shall be graffed in: for God is able to graff them in again. 24 For if thou wert cut out of the olive tree which is wild by nature, and wert graffed contrary to nature into a good olive tree: how much more shall these, which be the natural branches, be graffed into their own olive tree? 25 For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in. 26 And so all Israel shall be saved: as it is written, There shall come out of Sion the Deliverer, and shall turn away ungodliness from Jacob: 27 For this is my covenant unto them, when I shall take away their sins. 28 As concerning the gospel, they are enemies for your sakes: but as touching the election, they are beloved for the fathers' sakes. 29 For the gifts and calling of God are without repentance. 30 For as ye in times past have not believed God, yet have now obtained mercy through their unbelief: 31 Even so have these also now not believed, that through your mercy they also may obtain mercy. 32 For God hath concluded them all in unbelief, that he might have mercy upon all.

Romans 11:1-32 (KJV) 17 And, behold, I, even I, do bring a flood of waters upon the earth, to destroy all flesh, wherein isthe breath of life, from under heaven; and every thing that is in the earth shall die. 18 But with thee will I establish my covenant; and thou shalt come into the ark, thou, and thy sons, and thy wife, and thy sons' wives with thee. Gen 6:17-18 (KJV) 8 And God spake unto Noah, and to his sons with him, saying, 9 And I, behold, I establish my covenant with you, and with your seed after you; 10 And with every living creature that is with you, of the fowl, of the cattle, and of every beast of the earth with you; from all that go out of the ark, to every beast of the earth. 11 And I will establish my covenant with you; neither shall all flesh be cut off any more by the waters of a flood; neither shall there any more be a flood to destroy the earth. Gen 9:8-11 (KJV) Chapter 17 God renews the covenant with Abram 1 And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be thou perfect. 2 And I will make my covenant between me and thee, and will multiply thee exceedingly. 3 And Abram fell on his face: and God talked with him, saying,
4 As for me, behold, my covenant is with thee, and thou shalt be a father of many nations. 5 Neither shall thy name any more be called Abram, but thy name shall be Abraham; for a father of many nations have I made thee. 6 And I will make thee exceeding fruitful, and I will make nations of thee, and kings shall come out of thee.
7 And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee. 8 And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God. 9 And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations. 10 This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised. 11 And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you. 12 And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which isnot of thy seed. 13 He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant. 14 And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant.

Gen 17:1-14 (KJV) Chapter 24 Moses is called up into the mountain 1 And he said unto Moses, Come up unto the LORD, thou, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship ye afar off. 2 And Moses alone shall come near the LORD: but they shall not come nigh; neither shall the people go up with him. 3 And Moses came and told the people all the words of the LORD, and all the judgments: and all the people answered with one voice, and said, All the words which the LORD hath said will we do. 4 And Moses wrote all the words of the LORD, and rose up early in the morning, and builded an altar under the hill, and twelve pillars, according to the twelve tribes of Israel. 5 And he sent young men of the children of Israel, which offered burnt offerings, and sacrificed peace offerings of oxen unto the LORD. 6 And Moses took half of the blood, and put it in basons; and half of the blood he sprinkled on the altar. 7 And he took the book of the covenant, and read in the audience of the people: and they said, All that the LORD hath said will we do, and be obedient. 8 And Moses took the blood, and sprinkled it on the people, and said, Behold the blood of the covenant, which the LORD hath made with you concerning all these words.

Ex 24:1-8 (KJV) 12 And the LORD spake unto Moses, saying, 13 Speak thou also unto the children of Israel, saying, Verily my sabbaths ye shall keep: for it is a sign between me and you throughout your generations; that ye may know that I am the LORD that doth sanctify you. 14 Ye shall keep the sabbath therefore; for it is holy unto you: every one that defileth it shall surely be put to death: for whosoever doeth any work therein, that soul shall be cut off from among his people. 15 Six days may work be done; but in the seventh isthe sabbath of rest, holy to the LORD: whosoever doeth anywork in the sabbath day, he shall surely be put to death. 16 Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant. 17 It is a sign between me and the children of Israel for ever: for in six days the LORD made heaven and earth, and on the seventh day he rested, and was refreshed. 18 And he gave unto Moses, when he had made an end of communing with him upon mount Sinai, two tables of testimony, tables of stone, written with the finger of God. Ex 31:12-18 (KJV) With all due respect to my learned collegues, and their eloquant answers to the question, may I add my humble answer. All mankind may be saved through obedience to the laws and ordinaces of the gospel. What we should bare in mind is the remark Christ made to the unfortunate who hung next to Christ while upon the cross. "Today thou shalt be with me in paradise (Spirit world). At another time He said "In my Fathers house there are many mansions". Each mansion is different in glory, just like the rooms in any home. The question that we should keep in mind is to what room (Mansion) will we be assigned to?).

from

The Catechism of the Catholic Church, second edition, English translation 1994

The Church--instituted by Christ Jesus

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It was the Son's task to accomplish the Father's plan of salvation in the fullness of time. Its accomplishment was the reason for his being sent. (Cf. Lumen Gentium 3; Ad gentes 3) "The Lord Jesus inaugurated his Church by preaching the Good News, that is, the coming of the Reign of God, promised over the ages in the scriptures." (Lumen Gentium 5) to fulfill the Father's will, Christ ushered in the Kingdom of heaven on earth. The Church "is the Reign of Christ already present in mystery." (Lumen Gentium 3)

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The Church is born primarily of Christ's total self-giving for our salvation, anticipated in the institution of the Eucharist and fulfilled on the cross. "The origin and growth of the Church are symbolized by the blood and water which flowed from the open side of the crucified Jesus." (Lumen Gentium 3, cf. Jn19:34) "For it was from the side of Christ as he slept the sleep of death upon the cross that there came forth the 'wondrous sacrament of the whole Church.'" (Sacrosanctum concilium 5). As Eve was formed from the sleeping Adam's side, so the Church was born from the pierced heart of Christ hanging dead on the cross. (Cf. St. Ambrose, In Luc. 2, 85-89; J.P. Migne, ed., Patrologia Latina {Paris: 1841-1855} 1666-1668)