Nov 4, 2025 · The Space topic features the latest news in astronomy, cosmology, planetary science, exoplanets, astrobiology and more.

Apr 11, 2024 · Forum discussion tagged with 太阳系.

5 days ago · The Earth topic features the latest news in climate, agriculture, oceans, the environment and more.

May 10, 2025 · Forum discussion tagged with transaksi.

6 days ago · Astronomy See a 3-D map of stellar nurseries based on data from the Gaia telescope The map, spanning 4,000 light-years from the sun in all directions, combines a chart of space dust with …

Mar 19, 2024 · Sorry if this topic has been done to death, or if its the wrong group to ask this question. But I cant get my head around this at all. Why does it take 13 billion years for the light to reach us …

4 days ago · Space Planetary Science Astronomy Planetary Science Cosmology Planetary Science How did Pluto capture its largest moon, Charon?

Jan 2, 2024 · The world of quantum mechanics embraces the concept of imaginary time to explain certain phenomena. It assumes a spatial direction at right angles to 'real-time'. I wonder if the word …

Aug 14, 2025 · The Space topic features the latest news in astronomy, cosmology, planetary science, exoplanets, astrobiology and more.

Jun 29, 2024 · The first sport in space? Here is my concept animation for the first sport in space,,, FPV racing drones in space! These drones would be flown by pilots on the ground, and would be in space …