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871-New Mars Trojan
The Lagrange point L4 is 60° ahead of Mars whereas L5 is 60° behind Mars on the red planet’s orbital path about the Sun. An object placed at either o…
8 months ago
358E-389-Tiny Spacecraft
To reach the vicinity of the nearest star, 24 trillion miles away, in less than 20 years, an interstellar space probe would have to travel at a subst…
8 months, 1 week ago
870-Satellite Ashes
50 years ago scientists found that Chlorofluorocarbons or CFC chemicals in widespread use in refrigeration, air conditioning , and hair spray were be…
8 months, 1 week ago
357E-388-40 years
Looking at the stars on a clear dark night, far from the artificial air glow humanity creates, have you ever wondered what it would be like to travel…
8 months, 2 weeks ago
869-Taurid Resonant Swarm
The planets, millions of asteroids, tens of thousands of comets, distant icy worlds, and countless other bits and pieces of material orbit the Sun. A…
8 months, 2 weeks ago
356E-386-Interplanetary Sand Traps
When the Japanese spacecraft Hayabusa [Hi ya Boo sa] visited the near Earth asteroid Itokawa in 2005 it found this 2000 foot by 800 foot elliptical w…
8 months, 3 weeks ago
868-Inside Venus
Astronomers have discovered some 1.4 million asteroids. Approximately 35,000 of these space rocks come near Earth. Less than 40 of them are classif…
8 months, 3 weeks ago
355E-383-Moon Water
The lunar roving, battery powered, 4 wheel drive "Moon Buggy" allowed astronauts on Apollo 15, 16, and 17 to travel 8 mph on the lunar surface with a…
8 months, 4 weeks ago
867-Daytime Fireball
Dr. Bill Cooke of NASA’s Meteoroid Environment Office reports that on June 26, 2025 shortly after noon a beachball sized meteoroid traveling at appro…
9 months ago
354E-382-Martian Debris
Martian Trojan asteroids have stable orbits around the Sun, leading and trailing the red planet by 60 degrees, where the Sun's and Mars's gravity are…
9 months ago