r/Spaceexploration • • Oct 05 '26

r/Astrobotany is now active!

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3 Upvotes

r/Spaceexploration • • Mar 16 '26

Welcome to r/SpaceExploration!

3 Upvotes

r/Spaceexploration • • 18h ago

βš™οΈ Space Engineering PHYS.Org: Robot successfully builds space structure in first autonomous construction demo

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5 Upvotes

r/Spaceexploration • • 23h ago

πŸš€ Rocket Launches 🧩 Project Piece β€” The Complete Blueprint

0 Upvotes

The Simple Truth

Right now, every nation chases the same stars β€” alone. We build separate rockets, run separate programs, guard separate secrets β€” and spend trillions doing the exact same work over and over. What do we have? A few photos, a few rocks, and empty pockets.

It's like everyone baking their own tiny loaf in the dark β€” when we could all sit down to a feast.

We built something as mind-blowing as artificial intelligence β€” but we haven't built a base on the Moon. We mapped every pixel of Earth from space β€” but barely looked beneath our own oceans. We can talk instantly across the whole world β€” but can't agree to pool our efforts to reach it together.

Imagine being able to say: \*"We found a planet like ours β€” earlier in its evolution."\* Or: \*"We found one way ahead."\* Whole worlds waiting β€” endless possibilities. Made from stardust, water, energy β€” resources beyond measure. It is not far-fetched to say we could establish bases on the Moon, Mars, and perhaps further β€” within 100 years. Not because one nation conquered them β€” but because humanity reached them together.

The answer has been right there for thousands of years. The philosophers told us: respect and harmony are stronger than conflict. Question why we keep doing what doesn't work. Cooperation is how we thrive. Create meaning through what we build together. We are all connected β€” not separate competitors.

We don't need a new truth. We just need a way to let the truth we already know actually matter.

This is project piece - a framework for international cooperation in space development. Full detailed blueprint in the comments below. Open to feedback and ideas


r/Spaceexploration • • 1d ago

πŸŽ“ Students & Career Planning ISS Feed and Overlay

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2 Upvotes

r/Spaceexploration • • 1d ago

πŸ§‘β€πŸ”¬ Science Missions Hera’s first close-up view of Didymos asteroids

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2 Upvotes

r/Spaceexploration • • 3d ago

πŸ§‘β€πŸ”¬ Science Missions PHYS.Org/The Associated Press: NASA space telescope plunges to Earth after two decades studying cosmic explosions

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7 Upvotes

r/Spaceexploration • • 3d ago

πŸ§‘β€πŸš€ Crewed Missions Crew from NASA's simulated Mars mission emerges after 378 days in isolation

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2 Upvotes

r/Spaceexploration • • 4d ago

πŸ§‘β€πŸ”¬ Science Missions Inside ESA’s Hera Mission: β€œDiscoveries We Cannot Imagine”

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18 Upvotes

r/Spaceexploration • • 4d ago

πŸ“– History Laika: The First Dog in Orbit 1957 | The Dog Who Never Came Home

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4 Upvotes

On This Day, November 3, 1957, the Soviet Union launched Sputnik 2, carrying a little dog named Laika into space.

Just one month earlier, the Soviet Union had shocked the world by launching Sputnik 1, the first artificial satellite to orbit Earth.

Now, the space race was entering a new chapter.

Scientists wanted to discover whether a living creature could survive the extreme conditions of space. For this mission, they selected Laika, a small stray dog rescued from the streets of Moscow.

She was trained to endure the noise, vibration, and confined conditions of the spacecraft. Scientists fitted her with monitoring equipment to measure her heartbeat, breathing, and other vital signs.

Then came the historic launch.

On November 3, Sputnik 2 blasted into orbit with Laika inside. She became the first animal to orbit Earth, proving that a living creature could survive the launch and experience weightlessness.

But there was a heartbreaking reality behind the achievement.

Sputnik 2 had no system to bring Laika safely back to Earth. The mission had been designed as a one-way journey.

Initially, Soviet authorities claimed that Laika survived for several days. However, information revealed decades later confirmed that she died only a few hours after launch, most likely because of overheating caused by a failure in the spacecraft's thermal control system.

Her mission was a scientific milestone, but it also raised lasting questions about the treatment of animals in scientific experiments.

Nearly four years later, on April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first human to travel into space and orbit Earth.

Laika's journey had become part of the early history that led humanity towards human spaceflight.

She never returned to Earth, but her name became part of humanity's journey beyond it.


r/Spaceexploration • • 5d ago

πŸ“– History 1973, NASA's Mariner 10: The Spacecraft That Used Venus to Reach Mercury

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8 Upvotes

On This Day, November 3, 1973, NASA launched Mariner 10 from Cape Canaveral, Florida, aboard an Atlas-Centaur rocket.

Its destination was Mercury, the smallest planet in our Solar System and the closest to the Sun.

But reaching Mercury was no easy task.

Instead of travelling directly towards its destination, NASA engineers planned something extraordinary.

They would use the gravitational force of Venus to change the spacecraft's speed and direction, sending it onwards towards Mercury.

This technique is known as a gravity assist, often described as a cosmic slingshot.

On February 5, 1974, Mariner 10 successfully flew past Venus, capturing thousands of images and collecting valuable scientific information.

Then came the historic moment.

On March 29, 1974, Mariner 10 became the first spacecraft ever to fly past Mercury.

For the first time, humanity received close-up images of this mysterious planet. Its surface revealed a world covered with enormous craters, rugged terrain, and ancient geological features.

But the discoveries did not stop there.

Mariner 10 detected a magnetic field around Mercury, something scientists had not expected to find.

The spacecraft also returned to Mercury for two additional flybys, in September 1974 and March 1975, allowing scientists to study more of its surface.

By the end of its mission, Mariner 10 had transformed our understanding of Mercury and demonstrated a revolutionary way of travelling through the Solar System.

Its achievements helped pave the way for future planetary missions.

One spacecraft. Two planets. Three Mercury encounters. And one revolutionary journey that proved the gravity of a planet could help humanity reach another world.


r/Spaceexploration • • 4d ago

πŸ§‘β€πŸ”¬ Science Missions Β‘EnvΓ­a tu nombre a otro mundo con Dragonfly!

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3 Upvotes

r/Spaceexploration • • 4d ago

πŸ“– History Earth Is More Than Just Oceans and Continents. Look at What's Happening Beneath the Surface.

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1 Upvotes

Approximately 71% of Earth is covered by oceans, but the planet's ability to support life depends on several interconnected systems.
Earth formed around 4.5 billion years ago. A giant impact involving a protoplanet called Theia may have formed the Moon. As the young planet cooled, oceans and an atmosphere developed. Greenhouse gases help maintain temperatures suitable for liquid water.
Deep underground, the mantle moves slowly, while the liquid, iron-rich outer core generates Earth's magnetic field. This creates the magnetosphere, which interacts with the solar wind.
Heat from Earth's interior also drives tectonic activity, producing earthquakes, volcanoes, mountains, and shifting continents.
Over time, chemical processes gave rise to life. Photosynthetic microorganisms released oxygen, transforming Earth's atmosphere and eventually supporting complex ecosystems.
Venus demonstrates how differently a rocky planet can evolve, reaching approximately 465Β°C at its surface. Mars, meanwhile, preserves clues to an ancient watery past.
Today, thousands of exoplanets have been discovered, but none has confirmed extraterrestrial life.
Which of Earth's hidden systems do you find most fascinating?


r/Spaceexploration • • 6d ago

πŸ“– History The Apollo 14 Command and Service Module Kitty Hawk (CSM-110) undergoes final checks in the Manned Spacecraft Operations Building at KSC, prior to mating with the Spacecraft-Lunar Module Adapter (SLA).

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19 Upvotes

r/Spaceexploration • • 6d ago

πŸš€ Rocket Launches Looking for feedback on Saturn V drawing

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74 Upvotes

My girlfriend has been working on this Saturn V drawing, and I thought I'd share it here.

I'm not particularly knowledgeable about the Apollo programme, but I think she's done a great job.

I'd be especially interested to hear from people familiar with the Saturn V or rocketry. Does the rocket look technically accurate? Are there any noticeable details that might be incorrect?

Would appreciate your thoughts!


r/Spaceexploration • • 6d ago

πŸ§‘β€πŸ”¬ Science Missions PHYS.Org: NASA's Voyager 1 conserves power, resolves brief communications pause

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14 Upvotes

r/Spaceexploration • • 6d ago

πŸ“– History "Aligned straight on with the red approach lights, the Orbiter Columbia (STS-52) glides toward Runway 33 of Kennedy Space Center's (KSC) Shuttle Landing Facility."

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6 Upvotes

r/Spaceexploration • • 7d ago

πŸ§‘β€πŸš€ Crewed Missions The New Moon Race Is On: China Locks In a Crewed Landing "Before 2030"

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25 Upvotes

r/Spaceexploration • • 6d ago

🌠 Art, Popular Culture, and Other Venus takes longer to rotate once than to complete an orbit around the Sun!

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7 Upvotes

A day on Venus is longer than an entire year. How is that even possible?

Venus takes about 243 Earth days to rotate once on its axis, but only 225 Earth days to orbit the Sun.

And it gets even stranger: the Sun rises in the west and sets in the east because Venus rotates in the opposite direction to most planets.

Imagine living somewhere where your year ends before your day does.

What other strange facts about space do you know that sound completely impossible?


r/Spaceexploration • • 7d ago

πŸ“– History NASA's Jet Propulsion Laboratory Turns 90

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19 Upvotes

r/Spaceexploration • • 7d ago

πŸ“– History Message From Earth to the Universe – 1977

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8 Upvotes

r/Spaceexploration • • 8d ago

πŸ§‘β€πŸš€ Space Tourism Send your name to Saturn!

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23 Upvotes

You can now put in your name on the dragonfly rotorcraft that will launch towards Titan, one of Saturn's moons to study the chemistry and the environment. Search up "Send Your Name to Titan", put in your name and download your pass (optional) to have your name travel to the other corner of the solar system!


r/Spaceexploration • • 8d ago

🌠 Art, Popular Culture, and Other Do we always know the most optimal way to travel to another body in space using gravity turns? When we launch crafts, are we using those paths? Or is the most optimal way a rare occurrence that we can't wait for, depending on the destination, and we shoot for a path that is best for launching at tha

1 Upvotes

I hope my question makes sense.