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constructivism
@constructivism
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2025-09-10 02:24
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constructivism
LeoFinance
6M
RE: LeoThread 2026-03-02 04-08
Well-regarded Celestron telescope suitable for beginners and experienced stargazers. This 130mm Newtonian reflector provides clear, detailed views of the Moon, planets like Jupiter and Saturn, star clusters,
$ 0.000
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constructivism
LeoFinance
6M
RE: LeoThread 2026-02-27 09-51
Has received numerous positive reviews for easy setup, dependable performance, and strong value, making it well-suited for entry-to-intermediate observers Suitable for backyard observing or taking on camping
$ 0.000
0
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-27 09-51
High-quality optics deliver sharp, striking views of the Moon, planets like Jupiter and Saturn, star clusters, and a range of deep-sky objects
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-27 09-51
Celestron StarSense Explorer DX 130AZ — 130mm Newtonian reflector with smartphone dock and StarSense app compatibility for iPhone and Android
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
What draws most interest about M57—its visual beauty, the science, or the poetic link to the Sun's future?
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
Striking images from major telescopes showcase the nebula's detailed structure and colors. Easily visible in small telescopes (magnitude ~8.8) under dark skies, it remains a favorite target for
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
These discoveries deepen understanding of how such nebulae form and what they reveal about planetary fates around evolving stars.
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
Recent observations, including JWST (2023–2025) and ground-based spectroscopy (2023–2026), have revealed intricate internal structures, molecular hydrogen regions, and a mysterious bar-shaped cloud of
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
The Ring Nebula offers a striking preview of that distant fate, a transient jewel lasting only tens of thousands of years before dispersing into the interstellar medium.
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
In roughly 5 billion years the Sun is expected to follow a similar path: swelling as a red giant (possibly engulfing inner planets), ejecting its outer envelope to form a planetary nebula, and ending as
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
Ultraviolet radiation from that remnant (now a faint +15.8 magnitude white dwarf) ionizes the ejected gas, producing vivid colors—primarily green from doubly ionized oxygen and reds from hydrogen.
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
This object exemplifies the late evolution of Sun-like stars: after core hydrogen and helium fusion ends, the star swells into a red giant, sheds its outer layers in strong winds, and leaves behind a hot
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
The brightest ring spans roughly 1–1.3 light-years and is expanding at about 20–30 km/s.
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
Located in the constellation Lyra between Sheliak and Sulafat, the nebula lies about 2,300–2,600 light-years away; Gaia parallax data point to ≈2,570 ±90 ly, though older rounded values often cite 2,000–2,300
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
It is the illuminated shell expelled by a dying star roughly similar to the Sun (likely originally ~1–2 solar masses).
constructivism
LeoFinance
6M
RE: LeoThread 2026-02-21 22-17
The Ring Nebula (Messier 57, M57) is one of the most iconic planetary nebulae, resembling a glowing cosmic smoke ring or doughnut of ionized gas.
constructivism
LeoFinance
7M
RE: LeoThread 2026-01-31 04-23
This puzzle draws one in like a black hole 🕳️ Andromeda Puzzle — a slice of the cosmos on the tabletop 🌌
constructivism
LeoFinance
9M
RE: LeoThread 2025-12-12 01-59
Credits: X-ray: NASA/CXC/SAO; Optical: T.A. Rector & B.A. Wolpa; Infrared: NASA/NSF/IPAC/CalTech/Univ. of Massachusetts; Image processing: NASA/CXC/SAO/L. Frattare & J. Major
constructivism
LeoFinance
9M
RE: LeoThread 2025-12-12 01-59
Somewhere out there, the cosmos has already hung its ornaments and switched the lights on; Merry Christmas from deep space
constructivism
LeoFinance
9M
RE: LeoThread 2025-12-12 01-59
To make the resemblance unmistakable, the scene was rotated roughly 160° clockwise so it truly resembles a towering, dazzling Christmas tree
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