When Earth and Mars are at their theoretically closest point of 54.6 million km, it would take a signal from Earth about 3 minutes to make the journey, and then another 3 minutes for the signals to get back to Earth.
Switchgrass is a hardy, deep-rooted, perennial rhizomatous grass that begins growth in late spring. It can grow up to 2.7 m high, but is typically shorter than big bluestem grass or indiangrass. The leaves are 30â90 cm long, with a prominent midrib.
SWITCH GRASS: Is a native, perennial warm season grass used for forage, slow to establish and fast growing up to 2-6 ft. As with a lot of our native plants it was depleted from over usage, burning, and land clearing for farming.Renewed interest in this grass is on the rise again.t is used in naturalized plantings for erosion control, field dividers, conservation areas; most all wildlife habitats can use switch grass in small or larger areas. It grows in a variety of soils and temperatures and remains a refuge for animals even through heavy snows.