Phobos was discovered by astronomer Asaph Hall, Sr., on August 18, 1877.
Phobos is 48,340,000 miles from the planet Earth. Phobos is one of two satellites of Mars and was first discovered in 1877.
Mars has two moons and they are Phobos and Deimos.They were discovered in 1877 by Asaph Hall.
Aseph Hall in 1877 discovered the Mars' two moons, Phobos and Deimos.
Phobos was discovered on August 18, 1877, and Deimos was discovered on August 12, 1877, meaning that both were discovered within a week.
there is no atmosphere on Phobos.
Asaph Hall in 1877 discovered them and call them Phobos & Deimos.
February 31st
Phobos is 48,340,000 miles from the planet Earth. Phobos is one of two satellites of Mars and was first discovered in 1877.
Both satellites were discovered in 1877 by Asaph Hall.
Asaph Hall
Mars has two moons and they are Phobos and Deimos.They were discovered in 1877 by Asaph Hall.
Aseph Hall in 1877 discovered the Mars' two moons, Phobos and Deimos.
Mars' moons, Phobos and Diemos, were discovered on August 18, 1877 by Asaph Hall working the telescope at the U. S. Naval Observatory in Washington. What Phobos and Deimos both are is almost certainly captured asteroids, in the view of astronomers today.
Billy Mckeand
Phobos was discovered on August 18, 1877, and Deimos was discovered on August 12, 1877, meaning that both were discovered within a week.
Mars has two small known moons called Phobos and Diemos. Both Diemos and Phobos were discovered by astronomer Asaph Hall in August, 1877, at the United States Naval Observatory in Washington, D.C.
Both of Mars's moons, Phobos and Deimos, were discovered by American astronomer Asaph Hall in 1877.