You Never See the Sun Where It Actually Is — Only Where It Was 8 Minutes Ago
Light takes time to travel, so every glance into space is a glance into the past. The night sky shows stars as they were years, even millennia, ago.
Today’s hidden fact · Sunday, August 9, 2026
Voyager 1 is over 24 billion km away, so far its radio signal takes 22+ hours to arrive, sent by a transmitter weaker than a refrigerator bulb.
A football-field-sized lab, falling around Earth at 8 km every second.
ISS Oleg Kononenko · Nikolai Chub · Tracy Caldwell Dyson · Matthew Dominick · Michael Barratt · Jeanette Epps · Alexander Grebenkin · Butch Wilmore · Sunita Williams
Tiangong Li Guangsu · Li Cong · Ye Guangfu
2018 SP2

Globular Cluster Omega Centauri
Globular star cluster Omega Centauri packs about 10 million stars much older than the Sun into a volume some 150 light-years in diameter. Also known as NGC 5139, at a distance of 15,000 light-years it's the largest and brightest of 200 or so known globular clu…

Electron | Owlright, Owlright, Owlright (StriX Launch 13)

Falcon 9 Block 5 | USSF-385

Starship | Starlink Group 31-1 (Starship Flight 14)

Falcon 9 Block 5 | Crew-13

Falcon 9 Block 5 | Transporter 18 (Dedicated SSO Rideshare)

Falcon Heavy | NROL-97

SR75 | Flight 2

Ariane 64 Block 2 | Amazon Leo (LE-04)

Nuri | NeonSat-2 to 6

Falcon 9 Block 5 | Starlink Group 15-25

GSLV Mk II | IRNSS-1L (NVS-03)

H3-24 | Martian Moon eXplorer (MMX)

Falcon 9 Block 5 | Bandwagon 5 (Dedicated Mid-Inclination Rideshare)

Falcon 9 Block 5 | Dragon CRS-2 SpX-35

Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A
2018 SP2
138971 2001 CB21watched by NASA
2013 HO11
2016 LY8
2008 ST
523934 1998 FF14watched by NASA

ESA · today
Earth from Space: Venetian Lagoon
From the ESA Blogs.…

ESA · today
MIRROR robot reflects future of in-orbit assembly

European Spaceflight · today
Callisto Reusable Rocket Demonstrator Takes Shape Ahead of 2027 Hop Test

NASA · today
APOD: 2026 September 25 – Globular Star Cluster Omega Centauri

NASA · today
Explosive Intensification for Hurricane Polo

Spaceflight Now · today
NASA announces new space telescope ‘PRIMA’ to launch in 2033

NASASpaceflight · today
Expedition 75 astronauts continue science work as Crew-13 readies for launch
Scroll from your rooftop to the edge of the observable universe. Every stop is real.
Begin the voyage →The real solar system, computed from orbital mechanics. Scrub time and watch the maths.
Run the simulation →Five questions, one round a day, same for the whole planet. Build your streak.
Play today's round →Put Earth next to the Sun. Then next to a black hole. Watch your brain give up.
Compare anything →Black hole, light-year, quasar — every space term, explained like a human.
Learn the language →Light takes time to travel, so every glance into space is a glance into the past. The night sky shows stars as they were years, even millennia, ago.
In 2015 we caught two black holes colliding a billion light-years away, wobbling spacetime by less than the width of a proton. Einstein predicted it a century earlier.
The Carrington Event made auroras glow over the tropics and shocked telegraph operators. A repeat today could cripple power grids and satellites worldwide.