WEBVTT

00:01.439 --> 00:20.060
the do


00:20.060 --> 00:24.160
astronomy day and more hey there
stargazers

00:24.160 --> 00:27.290
I'm Deanery guess astronomer for the
Cincinnati Observatory

00:27.290 --> 00:30.890
and I'm james oberg director the key
cassava plop planetarium in Gainesville

00:30.890 --> 00:31.480
Florida


00:31.480 --> 00:35.640
mark Saturday May 10th on your calendar
as national astronomy day

00:35.640 --> 00:38.940
a day when most astronomy clubs
planetariums

00:38.940 --> 00:42.750
and Science Center's all across the
country will be celebrating stargazing

00:42.750 --> 00:45.840
with all kinds of things astronomical
including

00:45.840 --> 00:50.220
working through telescopes and usually
free of charge since 1973

00:50.220 --> 00:53.900
national astronomy day has been observed
in April or May

00:53.900 --> 00:57.330
on the Saturday closest to the first
quarter moon which will be

00:57.330 --> 01:00.800
on the six this year now why do they do
that well

01:00.800 --> 01:03.949
first quarter moons are always high in
the sky and

01:03.949 --> 01:07.250
easily visible in early evening and
they're much more

01:07.250 --> 01:10.330
interesting to observe through
telescopes for astronomy day

01:10.330 --> 01:13.970
and they don't break in the sky so much
that other things like planets are

01:13.970 --> 01:14.760
washed out


01:14.760 --> 01:17.880
so Saturday close to a first-quarter
moon in May

01:17.880 --> 01:22.190
when the weather is turning nice just
fits the bill soak our local planetarium

01:22.190 --> 01:26.410
science center or astronomy club to see
what they're doing for astronomy day

01:26.410 --> 01:30.880
and check our website stargazers online
.org for more info

01:30.880 --> 01:34.440
and as they have for many years
astronomy magazine

01:34.440 --> 01:38.789
and Celestron telescopes are once again
sponsoring astronomy day activities

01:38.789 --> 01:43.110
all across the country with Celestron
providing telescopes as door prizes

01:43.110 --> 01:46.720
and a grand prize winner will be chosen
from all across the country

01:46.720 --> 01:50.259
for special telescope price now just
coincidentally

01:50.259 --> 01:54.140
there are three planets available for
viewing just after sunset

01:54.140 --> 01:57.360
end the moon will help you find them
well let's show it

01:57.360 --> 02:02.770
okay we've got our sky set up for May
3rd about it hour after sunset

02:02.770 --> 02:05.920
facing west we'll see the bright planet
Jupiter

02:05.920 --> 02:09.800
which has been providing a spectacular
sky show for the past few months

02:09.800 --> 02:14.120
just above jupiter it will find Castor
and Pollux the break twin stars in

02:14.120 --> 02:14.690
Gemini


02:14.690 --> 02:18.579
and below duper a waxing five-day-old
crescent moon

02:18.579 --> 02:23.420
then on Sunday the 4th a slightly fatter
crescent moon will be just to the left

02:23.420 --> 02:27.000
duper once again the third and the
fourth

02:27.000 --> 02:30.819
if you keep on watching jupiter each
night over the next two months

02:30.819 --> 02:34.379
you'll see something really unusual
let's look at jupiter

02:34.379 --> 02:38.819
Ancaster and Pollux once more they make
a nice right triangle

02:38.819 --> 02:43.430
don't they but over the next two months
Jupiter will rapidly move eastward in

02:43.430 --> 02:43.989
the sky


02:43.989 --> 02:48.639
each night and by the end of June as
jupiter is disappearing in the glow of

02:48.639 --> 02:52.849
evening twilight caster pollack's n
Jupiter will be

02:52.849 --> 02:56.639
almost in a straight line once again
right triangle

02:56.639 --> 03:02.010
early in May straight line at the end of
June let's get back to the moon in the

03:02.010 --> 03:02.859
other planets


03:02.859 --> 03:07.109
if you watch every night next week
you'll see the moon move farther to the

03:07.109 --> 03:07.560
east


03:07.560 --> 03:11.260
each evening and on Saturday May 10
astronomy day

03:11.260 --> 03:16.469
a fairly pudgy eleven-day old moon will
be about six degrees west of mars

03:16.469 --> 03:20.189
and the next night May 11 the moon will
be East mars

03:20.189 --> 03:24.769
and if you don't have a telescope most
astronomy clubs planetariums and science

03:24.769 --> 03:26.590
centers will be showing you Jupiter


03:26.590 --> 03:30.450
and Mars and the moon through their
telescopes on astronomy day

03:30.450 --> 03:34.299
now we said there were three planets
that the moon will be showing you

03:34.299 --> 03:37.749
what's turned the southeast after
enjoying mars

03:37.749 --> 03:41.099
and the ringed planet Saturn will be
climbing higher in the sky

03:41.099 --> 03:45.090
Saturn is brighter than it was at this
time last year

03:45.090 --> 03:49.019
in fact it's brighter than it's been for
the past seven years

03:49.019 --> 03:54.349
but why let's start by remembering the
big difference between the stars and

03:54.349 --> 03:55.150
planets


03:55.150 --> 03:59.999
stars produce their own light or what's
up while we see planets only because

03:59.999 --> 04:01.230
they reflect the light


04:01.230 --> 04:06.469
only one star the Sun planets like
senator really dinky when it comes to

04:06.469 --> 04:07.849
showing lighten the sky


04:07.849 --> 04:12.019
but since they're really close some
other planets can appear to be really

04:12.019 --> 04:12.430
bright


04:12.430 --> 04:17.560
now Saturn's rings are big part of the
reflecting surface that sends light from

04:17.560 --> 04:18.260
the Sun


04:18.260 --> 04:23.520
backed our way to the air the Rings do
not look the same all the time

04:23.520 --> 04:26.570
in 2009 Saturn's rings were edge on to
us

04:26.570 --> 04:29.620
and reflected very little and for a
short time

04:29.620 --> 04:32.889
no white but that was over four years
ago

04:32.889 --> 04:36.000
we'll be talking more about the change
in brightness a satyr and

04:36.000 --> 04:39.240
upcoming episode stargazers at any rate


04:39.240 --> 04:42.740
enjoy all the free events and free
telescopic doing on

04:42.740 --> 04:46.680
national astronomy day it'll be a great
outing for the whole fam

04:46.680 --> 04:52.950
keep looking up


04:52.950 --> 04:57.699
s me


04:57.699 --> 05:02.699
T