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A knowledge platform for everything above Earth — astronomy, space, the night sky, celestial events, mythology, and astrology as a clearly separate cultural tradition.

Astronomy is presented as scientific, evidence-based, and sourced. Astrology is presented as cultural, symbolic, and interpretive — never as proven science.

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© 2026 Asteria Star. Everything above Earth — science and tradition, kept clearly apart.

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Timelines
Space Telescope Launches

Timeline · 5 events

Space Telescope Launches

The orbiting observatories that opened new windows on the universe.

1990
Hubble Space Telescope
Visible, ultraviolet, and near-infrared from low Earth orbit.
2003
Spitzer Space Telescope
An infrared observatory; retired in 2020.
2009
Kepler Space Telescope
Discovered thousands of exoplanets by the transit method.
2018
TESS
An all-sky survey for transiting exoplanets.
2021
James Webb Space Telescope
The great infrared observatory at L2.

Sources & references

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
ESAEuropean Space Agency
European missions, observatories, and space science imagery.