Did you ever recite the old phrase, “My very educated mother just served us nachos?” That saying can help you remember the order of the planets from closest to farthest from the Sun:Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune. The first letter of each word is the first letter...
Interstellar space is the area between the stars, but it is far from empty. It contains vast quantities of neutrinos, charged particles, atoms, molecules, dark matter and photons ranging from the highest-energy radiation to the sluggish light of the cosmic microwave background (CMB) albeit rathe...
Dramatic changes on Uranus, Neptune, Saturn and Jupiter revealed in 10 years of Hubble Telescope images (video) Latest SpaceX launching mysterious RRT-1 mission from Florida tonight See more latest ► Most Popular Up and over! NASA's Mars rover Perseverance reaches rim of its Jezero Crater ho...