798. astron
Lexical Summary
astron: Star

Original Word: ἄστρον
Part of Speech: Noun, Neuter
Transliteration: astron
Pronunciation: AS-tron
Phonetic Spelling: (as'-tron)
KJV: star
NASB: stars, star
Word Origin: [neuter from G792 (ἀστήρ - stars)]

1. (properly) a constellation
2. put for a single star (natural or artificial)

Strong's Exhaustive Concordance
star.

Neuter from aster; properly, a constellation; put for a single star (natural or artificial) -- star.

see GREEK aster

HELPS Word-studies

798 ástron – a single star, or a constellation of stars viewed as one entity.

[798 (ástron) is used for the image of Saturn, the ancient, pagan star-god referred to in Ac 7:43.]

NAS Exhaustive Concordance
Word Origin
from astér
Definition
a star
NASB Translation
star (1), stars (3).

Thayer's Greek Lexicon
STRONGS NT 798: ἄστρον

ἄστρον, ἀστρου, τό ((see ἀστήρ at the beginning), from Homer down);

1. a group of stars, a constellation; but not infrequent also

2. equivalent to ἀστήρ a star: Luke 21:25; Acts 27:20; Hebrews 11:12; the image of a star, Acts 7:43.

Topical Lexicon
Overview

ἄστρον (astron) appears four times in the Greek New Testament and always in the plural or collective sense, “stars.” In each setting the word functions theologically rather than merely astronomically, directing attention to God’s sovereignty, the reliability of His promises, the folly of idolatry, the certainty of judgment, and the believer’s dependence on divine rather than natural guidance.

Occurrences

Hebrews 11:12
Acts 27:20
Luke 21:25
Acts 7:43

God the Creator and Sustainer of the Stars

From the opening chapter of Genesis the stars testify to the ordered handiwork of God (Genesis 1:14–19). Isaiah calls believers to “Lift up your eyes on high and see who has created these things” (Isaiah 40:26). The New Testament references to ἄστρον assume this foundational doctrine: the stars exist by divine fiat, maintain their courses by His power, and therefore serve as appropriate emblems in revelation.

Stars as a Measure of Divine Promise (Hebrews 11:12)

Hebrews 11:12 recalls Genesis 15:5 and 22:17, where Abram was invited to number the stars as a pledge of countless descendants:

“And so from one man, and he as good as dead, came descendants as numerous as the stars in the sky and as countless as the sand on the seashore”.

Here ἄστρον underlines the certainty and magnitude of God’s covenant faithfulness. Though Abraham’s circumstances were hopeless, the visible heavens became a continual reminder that what God promises He performs (Romans 4:18–21). For ministry the verse encourages proclamation that the apparent impossibilities of life are no barrier to the fulfillment of God’s word.

Stars and Idolatry (Acts 7:43)

Stephen cites Amos 5:26:

“You took the tabernacle of Moloch and the star of your god Rephan”.

The same celestial bodies that display God’s glory became objects of worship when Israel’s heart strayed. The text condemns every form of astrology and astral devotion (cf. Deuteronomy 4:19; 2 Kings 23:5). The church must therefore expose contemporary fascination with horoscopes and New Age cosmology, affirming that creation points to the Creator, never to other gods.

Stars Withdrawn: Human Helplessness and Divine Deliverance (Acts 27:20)

During Paul’s storm-tossed voyage, “neither sun nor stars” appeared for many days:

“…we finally abandoned all hope of being saved”.

In antiquity sailors relied on stars for navigation; their disappearance signifies the collapse of human resourcefulness. Yet the narrative continues with a heavenly messenger assuring safety (Acts 27:23–25). The episode illustrates pastoral truth: God occasionally removes familiar lights so that His people rest solely on His word.

Cosmic Portents of the End (Luke 21:25)

“There will be signs in the sun and moon and stars”.

Jesus places ἄστρον within an eschatological framework. Stellar disturbances will herald the Day of the Lord (Joel 2:10; Revelation 6:13). These phenomena will unsettle the nations, yet believers are told to “stand up and lift up your heads, because your redemption is drawing near” (Luke 21:28). The passage calls the church to sober watchfulness, evangelistic urgency, and confident hope.

Theological Synthesis

1. Revelation: Stars communicate the glory and governance of God.
2. Promise: Stars symbolize the assured expansion of the covenant family.
3. Warning: Stars expose the folly of creature worship and impending judgment.
4. Dependence: Stars’ obscuration forces reliance on divine guidance.
5. Hope: Cosmic upheaval signals not chaos but the imminence of Christ’s return.

Practical Ministry Applications

• Preach creation without compromise, using the heavens to awaken awe and repentance (Psalm 19:1).
• Encourage faith by pointing to the night sky as a living testimony that God keeps impossible promises.
• Confront astrology and occult practices as modern forms of the sin denounced in Acts 7:43.
• Comfort believers in seasons of disorientation; when earthly “stars” fail, God’s word remains sure.
• Cultivate readiness for Christ’s appearing; cosmic signs are reminders that history is moving toward God’s ordained climax.

Conclusion

In its four New Testament occurrences, ἄστρον serves as more than a poetic flourish; it is a multifaceted witness to the character of God, the reliability of His covenant, the peril of misplaced worship, the necessity of faith, and the certainty of future glory.

Forms and Transliterations
αστρα άστρα ἄστρα αστροις άστροις ἄστροις αστρον άστρον ἄστρον αστρων άστρων ἄστρων astra ástra astrois ástrois astron astrōn ástron ástrōn
Links
Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Luke 21:25 N-DNP
GRK: σελήνῃ καὶ ἄστροις καὶ ἐπὶ
NAS: and moon and stars, and on the earth
KJV: and in the stars; and
INT: moon and stars and upon

Acts 7:43 N-ANS
GRK: καὶ τὸ ἄστρον τοῦ θεοῦ
NAS: OF MOLOCH AND THE STAR OF THE GOD
KJV: of Moloch, and the star of your god
INT: and the star of the God

Acts 27:20 N-GNP
GRK: ἡλίου μήτε ἄστρων ἐπιφαινόντων ἐπὶ
NAS: sun nor stars appeared for many
KJV: sun nor stars in many
INT: sun nor stars appearing for

Hebrews 11:12 N-NNP
GRK: καθὼς τὰ ἄστρα τοῦ οὐρανοῦ
NAS: and him as good as dead at that, [as many descendants] AS THE STARS OF HEAVEN
KJV: [so many] as the stars of the sky
INT: even as the stars of heaven

Strong's Greek 798
4 Occurrences


ἄστρα — 1 Occ.
ἄστρων — 1 Occ.
ἄστροις — 1 Occ.
ἄστρον — 1 Occ.

797
Top of Page
Top of Page