This month and next, Earth is catching up with Mars, an encounter that will
culminate in the closest approach between the two planets in recorded
history. The next time Mars may come this close is in 2287. Due to the way
Jupiter's gravity tugs on Mars and perturbs its orbit, astronomers can only
be certain that Mars has not come this close to Earth in the last 5,000
years but it may be as long as 60,000 years.
The encounter will culminate on August 27th when Mars comes to within
34,649,589 miles and will be (next to the moon) the brightest object in the
night sky. It will attain a magnitude of -2.9 and will appear 25.11 arc
seconds wide. At a modest 75-power magnification, Mars will look as large as
the full moon to the naked eye. Mars will be easy to spot.
At the beginning of August Mars will rise in the east at 10 p.m. and reach
its azimuth at about 3 a.m. But by the end of August when the two planets
are closest, Mars will rise at nightfall and reach its highest point in the
sky at 12:30 a.m. That's pretty convenient when it comes to seeing something
that no human has seen in recorded history. So, mark your calendar at the
beginning of August to see Mars grow progressively brighter and brighter
throughout the month.
Share this! No one alive today will ever see this again
culminate in the closest approach between the two planets in recorded
history. The next time Mars may come this close is in 2287. Due to the way
Jupiter's gravity tugs on Mars and perturbs its orbit, astronomers can only
be certain that Mars has not come this close to Earth in the last 5,000
years but it may be as long as 60,000 years.
The encounter will culminate on August 27th when Mars comes to within
34,649,589 miles and will be (next to the moon) the brightest object in the
night sky. It will attain a magnitude of -2.9 and will appear 25.11 arc
seconds wide. At a modest 75-power magnification, Mars will look as large as
the full moon to the naked eye. Mars will be easy to spot.
At the beginning of August Mars will rise in the east at 10 p.m. and reach
its azimuth at about 3 a.m. But by the end of August when the two planets
are closest, Mars will rise at nightfall and reach its highest point in the
sky at 12:30 a.m. That's pretty convenient when it comes to seeing something
that no human has seen in recorded history. So, mark your calendar at the
beginning of August to see Mars grow progressively brighter and brighter
throughout the month.
Share this! No one alive today will ever see this again
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