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Voyager 2 remains the only spacecraft to have visited Uranus and Neptune

One telescope, one sky, and many people who, for a moment, become closer to the Universe

In 1655, Christiaan Huygens discovered Titan, Saturn&#39;s largest moon

Sometimes one look through a telescope is remembered more vividly than an entire lecture about space

Our goal is to make astronomy vivid, understandable, and inspiring for everyone

In 1609, Johannes Kepler published his first two laws of planetary motion

Mercury has almost no atmosphere, so it cannot hold heat

Sometimes science begins with a simple question: &#39;Can I look too?&#39;

We do more than hold observing sessions: we help people feel the scale of space

Vostok 1 carried Yuri Gagarin into orbit on April 12, 1961

In 1912, Henrietta Leavitt discovered the relation between the periods and luminosities of Cepheid variables, helping astronomers measure cosmic distances

A supernova can release, in a short time, as much energy as the Sun emits over billions of years

In 964, the Persian astronomer Abd al-Rahman al-Sufi described the Andromeda Galaxy as a &#39;small cloud.&#39;

The longer you look at the sky, the more you want to know

Gravitational waves are ripples in spacetime created, for example, by merging black holes. They were first detected directly in 2015

The Hubble Space Telescope was launched into orbit in 1990 and became one of the most famous scientific instruments in history

The sky brings people together quietly, but more strongly than many words

In 1705, Edmond Halley predicted the return of the comet later named after him

The cosmic microwave background is an echo of the early Universe, formed hundreds of thousands of years after the Big Bang

Our observing sessions are encounters where space feels closer and science becomes clearer

When someone looks through a telescope, an explorer wakes up inside them

An encounter with space always changes how we see humanity a little

At Lumen Astralis, we show not only objects in the sky, but the moment of discovery itself

Wonder is the first step toward real understanding

Sunlight takes about 8 minutes to reach Earth

The most important discoveries often begin with childlike delight

A telescope shows not only distant objects, but also how many questions live within us

We believe astronomy begins not with formulas, but with wonder

Most of the Universe consists of dark matter and dark energy, whose nature we still do not understand

In the late 16th century, Tycho Brahe collected some of the most precise planetary observations before the telescopic era

Some stars end their lives in enormous explosions called supernovae

A single look through a telescope can hold an entire Universe of emotion

We create gatherings after which the stars gain a story

Mars Pathfinder delivered the Sojourner rover to Mars in 1997, NASA&#39;s first successful Mars rover

In 1619, Kepler formulated his third law of planetary motion

Every observation is a meeting with something larger than everyday life

Pluto is smaller than the Moon, but it has moons of its own

In 1781, William Herschel discovered Uranus, the first planet found with a telescope

Viking 1 successfully landed on Mars and began operating on its surface in 1976

Astronomy becomes alive when you can experience it yourself

In the 3rd century BCE, Aristarchus of Samos suggested that Earth orbits the Sun

In 1846, Neptune was discovered after its position had been predicted mathematically

In 1676, Ole Romer showed that light has a finite speed by observing Jupiter&#39;s moons

In 1959, Luna 2 became the first spacecraft to reach the surface of the Moon

In 1610, Galileo observed the phases of Venus, which became a strong argument against a simple geocentric model

The James Webb Space Telescope was launched in 2021 and observes the Universe in infrared light

The Milky Way is the galaxy that contains our Solar System

Pulsars are rapidly rotating neutron stars whose radiation reaches us in regular pulses

Jupiter is so large that more than a thousand Earths could fit inside it

In 1609, Galileo Galilei first pointed a telescope at the sky and began telescopic astronomy

In 1687, Isaac Newton published Mathematical Principles of Natural Philosophy and formulated the law of universal gravitation

One light-year is almost 9.5 trillion kilometers

In 1659, Huygens was the first to correctly explain that Saturn is surrounded by a ring

Parker Solar Probe became the first spacecraft to enter the Sun&#39;s outer atmosphere, the corona

Every look at the sky is a reminder that we are part of something immense

New Horizons flew past Pluto in 2015 and showed its surface in close-up for the first time

In 1919, observations of a solar eclipse confirmed Einstein&#39;s prediction that gravity bends light

In 1923-1924, Edwin Hubble showed that Andromeda lies beyond the Milky Way

In those seconds, a person sees not only space, but their own curiosity

The supermassive black hole at the center of the Milky Way has a mass of about 4 million Suns

Olympus Mons on Mars is the largest volcano in the Solar System

The nearest star to us after the Sun is more than 4 light-years away

In 1929, Hubble discovered the relation between a galaxy&#39;s distance and its recession velocity

In 1801, Giuseppe Piazzi discovered Ceres, the first object found in the asteroid belt

Cassini entered orbit around Saturn in 2004 and studied the planet, its rings, and its moons for more than 13 years

The most beautiful thing in astronomy is the eyes of someone seeing the Moon through a telescope for the first time

In 1915, Albert Einstein completed general relativity, changing our understanding of gravity

In 1965, Arno Penzias and Robert Wilson discovered the cosmic microwave background, key evidence for the Big Bang model

Moonlight reaches us in about 1.3 seconds

On Mercury, temperature swings can reach hundreds of degrees

There is no wind on the Moon, so astronauts&#39; footprints can remain there for millions of years

The sky feels closer when there are people nearby who help us see it

In that moment, the sky stops being a backdrop and becomes a personal discovery

Pioneer 10 was the first spacecraft to cross the asteroid belt and fly near Jupiter in 1973

The heaviest elements, such as gold, can form in mergers of neutron stars

The Mir space station operated in orbit from 1986 to 2001

A day on Venus is longer than its year

Mars is red because of iron oxide, essentially cosmic rust

Around 240 BCE, Eratosthenes estimated Earth&#39;s size quite accurately using shadows in different cities

Luna 3 photographed the far side of the Moon for the first time in 1959

Mariner 9 became the first artificial satellite of another planet when it entered orbit around Mars in 1971

Rosetta accompanied comet 67P/Churyumov-Gerasimenko, and its Philae lander touched down on it in 2014

In the 2nd century BCE, Hipparchus compiled one of the first star catalogs and discovered the precession of Earth&#39;s axis

We bring people together under the stars to remind them that the Universe is closer than it seems

The Universe is estimated to be about 13.8 billion years old

The temperature in the Sun&#39;s core reaches about 15 million degrees Celsius

Every encounter like this begins with curiosity and ends with wonder

Every second, the Sun converts about 600 million tons of hydrogen into helium

In 1543, Nicolaus Copernicus published On the Revolutions of the Heavenly Spheres, presenting the heliocentric system

In 1838, Friedrich Bessel made the first reliable measurement of the annual parallax of the star 61 Cygni

A white dwarf is the remnant of a Sun-like star after the end of its active life

Saturn&#39;s rings are made mostly of particles of ice and rock

On Venus, the Sun rises in the west and sets in the east

A teaspoon of neutron-star matter would weigh billions of tons

In 1610, Galileo discovered Jupiter&#39;s four largest moons: Io, Europa, Ganymede, and Callisto

Mariner 2 became the first spacecraft to successfully study another planet, Venus, in 1962

Space does not need grand words; it simply waits to be looked at

There is a kind of silence in which only wonder can be heard

A neutron star can be the size of a city and still be heavier than the Sun

Space does not begin somewhere far away; it begins with the desire to look more carefully

Venera 7 made the first soft landing on another planet and transmitted data from Venus&#39;s surface in 1970

Space feels distant until someone invites you to look closer

A black hole has an event horizon, a boundary beyond which light can no longer return

Venus rotates on its axis more slowly than it orbits the Sun

Dark matter does not emit light, but its presence is visible through its gravitational influence on galaxies

There are moments when the Universe becomes a little closer

For us, a telescope is a bridge between people and the Universe

The stars are silent, yet after meeting them we often want to speak about what matters

We believe a first look through a telescope can change someone&#39;s relationship with the sky forever

In moments like these, science stops feeling difficult and becomes deeply human

Sputnik 1 became Earth&#39;s first artificial satellite. It was launched on October 4, 1957

In 1868, a new element, helium, was detected in the spectrum of the Sun before it was found on Earth

The Huygens probe landed on Titan, Saturn&#39;s moon, in 2005; it remains the most distant landing on the surface of a celestial body

Sometimes the brightest impressions are born under the darkest sky

The farther away a galaxy is, the more its light is shifted toward red by the expansion of the Universe

A first look through the eyepiece is a small journey beyond the familiar world

In the 9th and 10th centuries, astronomers of the Islamic world refined star catalogs and developed observational astronomy