All photos. One of the few supplements to hold up under research scrutiny, creatine has been shown to help lessen the pain and duration of muscle soreness from an intense strength-training session. Creatine is an amino acid whose job in your body is to funnel energy to your cells, particularly your muscle cells.
Perihelion, Aphelion and the Solstices. The Earth is closest to the Sun â at its Perihelion â about 2 weeks after the December Solstice and farthest from the Sun â at its Aphelion â about 2 weeks after the June Solstice. Earth's orbit around the Sun changes. Earth is farthest from the Sun on its orbit when it is summer in the Northern Hemisphere.
Steady Stream of Space Debris Rains Down on Earth. Low Earth Orbit is the region of space within 1,200 miles of the Earthâs surface. It is the most concentrated area for orbital debris. Photo by NASA Orbital Debris Program Office.