Outer Space Hub

Space Facts/Astronomy Post of the Day and other Space related content

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

BepiColombo's 2025 Venus flyby will dip just 310 km above its clouds—its closest ever—to tweak the orbit for Mercury arrival. This "gravity brake" saves massive fuel.

#Space #Astronomy #Science

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

The Event Horizon Telescope detected swirling magnetic fields around Sagittarius A* in 2022—bright, thread-like structures spiraling in its accretion disk at near-light speed. These reveal how the black hole launches jets.

#Space #Astronomy #Science

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

In 2017, Cassini's instruments detected ring rain—icy particles from Saturn's rings raining into its atmosphere at 20,000 liters per second before the probe's fiery dive. This revealed rings are eroding faster than expected.

#Space #Astronomy #Science

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

🌌 The cosmic microwave background is the faint glow from the Big Bang, cooled to just 2.7 Kelvin today. It fills the entire universe, a snapshot of its infancy 380,000 years old.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

☄️ Asteroids nearby (NASA NeoWs)
📅 Close approaches · 2026-05-09

① (2018 JN1) — 27.1M km flyby · ~92–206 m
② (2018 EW1) — 63.2M km flyby · ~15–33 m
③ (2004 XA45) — 68.8M km flyby · ~168–375 m

#Asteroid #NASA #Space #NearEarth #Science

[Outer Space Hub @OuterSpaceHub]

🌠 Astronomy Picture of the Day
🛰️ Source · NASA APOD

📌 Messier Craters in Stereo

Many bright nebulae and star clusters in planet Earth's sky are associated with the name of astronomer Charles Messier from his famous 18th century catalog. His name is also given to these two large …

#APOD #NASA #Space #Astronomy #Cosmos #LookUp

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

🌌 In the first 3 minutes after the Big Bang, the universe was hot enough to forge light elements like helium and deuterium through Big Bang nucleosynthesis. Heavier elements formed later in stars.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Neutron stars pack the mass of our Sun into a sphere just 12 miles wide, making them denser than anything imaginable. Their surfaces endure gravity over a billion times Earth's.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

🌌 In the first three minutes after the Big Bang, the universe was hot enough to fuse protons into helium, creating 25% of all helium atoms we see today. This primordial nucleosynthesis set the stage for stars and galaxies.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

🌌 Random space image

“solar flare sun”

Source: Google Images

#Space #Astronomy #Astrophotography #Cosmos #NightSky #SpacePhoto

[Outer Space Hub @OuterSpaceHub]

🔴 Postcard from Mars
🛰️ Mars · NASA image archive
🪐 Archive view · 🌍 Earth date 2011-04-06

The rover for NASA Mars Science Laboratory mission, named Curiosity, is about 3 meters 10 feet long, not counting the ad…

#Mars #NASA #RedPlanet #Space #Rover #Explore

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Neutron stars pack the Sun's mass into a sphere just 12 miles wide, so a sugar cube of their material would weigh as much as Mount Everest. Their gravity crushes atoms into a soup of neutrons.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Astronomers use radio telescopes to "see" through cosmic dust clouds that block visible light, revealing hidden star-forming regions like the Orion Nebula's core. This infrared and radio trick uncovers secrets optical telescopes miss.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

☄️ Asteroids nearby (NASA NeoWs)
📅 Close approaches · 2026-05-08

① (2015 KB57) — 21.2M km flyby · ~92–206 m
② (2013 VL) — 53.0M km flyby · ~8–17 m

#Asteroid #NASA #Space #NearEarth #Science

[Outer Space Hub @OuterSpaceHub]

🌠 Astronomy Picture of the Day
🛰️ Source · NASA APOD

📌 Comet R3 PanSTARRS Before Rigel

Which way is Comet R3 PanSTARRS going? Not towards the star at the top of the image, because that is Rigel, which, being far in the background, is unrelated to the comet. Not through the nebula in th…

📷 © Jakub Kuřák &
Martin Mašek
(FZU of the Czech Academy of Sciences)

#APOD #NASA #Space #Astronomy #Cosmos #LookUp

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Neutron stars are the ultra-dense corpses of massive stars that exploded as supernovae. A single teaspoon of their matter would weigh as much as Mount Everest on Earth.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Voyager 1, launched in 1977, became the first human-made object to enter interstellar space in 2012, now over 15 billion miles from Earth. It still beams data back daily.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

✨ Space fact

Neutron stars spin up to 700 times per second, packing a Sun's mass into a 12-mile-wide ball so dense a teaspoon weighs as much as Mount Everest.

#Space #Astronomy #Science #CoolFacts #NightSky #LearnOnX

[Outer Space Hub @OuterSpaceHub]

🌌 Random space image

“Saturn Cassini”

Source: Google Images

#Space #Astronomy #Astrophotography #Cosmos #NightSky #SpacePhoto

[Outer Space Hub @OuterSpaceHub]

🔴 Postcard from Mars
🛰️ Mars · NASA image archive
🪐 Archive view · 🌍 Earth date 2023-03-01

One of the Navcam imagers aboard NASA's Perseverance Mars rover captured the Ingenuity Mars Helicopter on Feb. 26, 2023,…

#Mars #NASA #RedPlanet #Space #Rover #Explore