Sudah menjadi
salah satu impian saya dan seorang sahabat saya
untuk menghadapi zombie apocalypse atau kiamat dunia yang disebabkan
oleh virus atau bakteri yang menjadi wabah dan membuat makhluk hidup menjadi
mayat berjalan atau zombie.tetapi tentu saja dengan persenjataan dan ransum
yang memadai.
Oleh karena itu
saya hampir tidak pernah melewatkan film Hollywood yang bertemakan zombie
apocalypse. Sebagai seorang penikmat bahkan bisa dikatakan penggemar berat film
fiksi bertemakan zombie apocalypse saya melihat World War Z sebagai film yang
sangat bagus, World War Z menurut saya merupakan salah satu film dengan tema
zombie apocalypse terbaik. Karena dari segi alur cerita dansettingnya sangat
terusun sedemikian rupa hingga menurut saya tidak ada yang missed dari film
ini. Apa yang membuat saya berpikir demikian, tak lain adalah karena ide untuk
membuat para zombie hanya memburu manusia – manusia yang sehat.
Terdapat hal
yang ingin sampaikan mengenai film ini yaitu spesifikasi zombienya. Dalam film
ini, zombienya memiliki kekuatan fisik yang menurut saya terbilang sangat amat
atletis. Zombie – zombie tersebut dapat bergerak dengan kecepatan dan kekuatan
selayaknya atlet American Football yang menurut saya hal ini merupakan hal yang
tidak saya inginkan di kiamat dunia oleh zombie versi saya. Saya lebih memilih
versi zombie yang terdapat di TV series The Walking Dead. Yaitu zombie yang
lambat ketika lapar dan agak cepat ketika selesai makan, dan tentu saja zombie
yang bisa mati apabila terdapat trauma dikepala atau atau ketika batang otaknya
rusak seperti di film Resident Evil, sebab zombie di film World War Z tidak
mempan dengan tembakan dikepala yang hanya memperlamabatnya saja. Kemudian hal
yang menurut saya menarik dari film ini adalah para zombienya tidak didandani
dengan tampilan yang seram dan sangat minim adegan yang menjijikkan seperti
potongan tubuh atau semburan darah.
Terakhir saya
ingin sampaikan apa yang menurut saya kurang dari film ini adalah belum adanya
kabar mengenai sekuel film ini.
The dwarf planet Makemake has some company out in the cold, dark depths of the outer solar system.
Astronomers using NASA's Hubble Space Telescope have discovered a moon orbiting Makemake, which is the second-brightest object in the distant Kuiper Belt beyond Neptune. (Pluto is the brightest of these bodies.)
The
newfound satellite — the first ever spotted around Makemake — is 1,300
times fainter than the dwarf planet and is thought to be about 100 miles
(160 kilometers) in diameter, researchers said. The moon was spotted
13,000 miles (20,900 km) from the surface of Makemake, which itself is
870 miles (1,400 km) wide.
"Makemake
is in the class of rare Pluto-like objects, so finding a companion is
important," Alex Parker of the Southwest Research Institute (SwRI) in
Boulder, Colorado, who led the image analysis for the Hubble
observations, said in a statement today (April 26).
"The
discovery of this moon has given us an opportunity to study Makemake in
far greater detail than we ever would have been able to without the
companion," Parker added.
This
photo by NASA’s Hubble Space Telescope reveals the first moon ever
discovered around the dwarf planet Makemake. The 100-mile-wide (160
kilometers) satellite is barely visible just above Makemake, almost lost
in the glare of the bright dwarf planet.
Credit: NASA, ESA, and A. Parker and M. Buie (SwRI)
For
example, further observations of the moon — which has
been provisionally named S/2015 (136472) 1, and nicknamed MK 2 — should
allow astronomers to calculate the density of Makemake, which should tell them if the dwarf planet and Pluto are made of similar stuff.
"This
new discovery opens a new chapter in comparative planetology in the
outer solar system," said team leader Marc Buie, also of SwRI.
Additional
Hubble observations should also reveal the shape of MK 2's orbit around
Makemake. If the orbit is tightly circular, the moon was probably
created by a long-ago giant impact, just like the five satellites in the
Pluto system were, researchers said. A looping, elliptical orbit, on
the other hand, would suggest that MK 2 was once a free-flying Kuiper
Belt object that Makemake captured.
Artist's concept of the dwarf planet Makemake and its newfound moon, which has been nicknamed MK 2.
Credit: NASA, ESA, and A. Parker (Southwest Research Institute)
The
Hubble discovery images suggest that MK 2 is as dark as charcoal, which
seems surprising given that Makemake is so bright. One possible
explanation is that the moon's gravity is too weak to hold onto
reflective ices, which sublimate off MK 2's surface into space,
researchers said.
Makemake
orbits the sun at an average distance of 45.7 astronomical units (AU)
and completes one lap around the star every 309 Earth years. (One AU is
the Earth-sun distance — about 93 million miles, or 150 million km.) The
dwarf planet is even farther away than Pluto, which lies 39.5 AU from
the sun on average and orbits once every 248 Earth years.
Makemake is one of five objects officially recognized as a dwarf planet by
the International Astronomical Union (IAU). The others are the Kuiper
Belt denizens Pluto, Eris and Haumea, and Ceres, which lies in the main
asteroid belt between Mars and Jupiter.
Ceres is the only one of these five that doesn't have at least one moon.
The
IAU defines a dwarf planet as an object that orbits the sun and is
massive enough to have been forced into a spherical shape by its own
gravity but has not "cleared its neighborhood" of other orbiting
material. (Pluto falls short on this last count, according to IAU
officials, which is why the former ninth planet was reclassified as a
dwarf planet in 2006.)
MK
2 was spotted in observations made by Hubble's Wide Field Camera 3 in
April 2015, after several previous Makemake observation campaigns had
failed to turn up any satellites.
"Our
preliminary estimates show that the moon's orbit seems to be edge-on,
and that means that often when you look at the system you are going to
miss the moon because it gets lost in the bright glare of Makemake,"
Parker said.
A
black hole is a place in space where gravity pulls so much that even
light can not get out. The gravity is so strong because matter has been
squeezed into a tiny space. This can happen when a star is dying.
Because
no light can get out, people can't see black holes. They are invisible.
Space telescopes with special tools can help find black holes. The
special tools can see how stars that are very close to black holes act
differently than other stars.
How Big Are Black Holes?
Black
holes can be big or small. Scientists think the smallest black holes
are as small as just one atom. These black holes are very tiny but have
the mass of a large mountain. Mass is the amount of matter, or "stuff,"
in an object.
Another
kind of black hole is called "stellar." Its mass can be up to 20 times
more than the mass of the sun. There may be many, many stellar mass
black holes in Earth's galaxy. Earth's galaxy is called the Milky Way.
The
largest black holes are called "supermassive." These black holes have
masses that are more than 1 million suns together. Scientists have found
proof that every large galaxy contains a supermassive black hole at its
center. The supermassive black hole at the center of the Milky Way
galaxy is called Sagittarius A. It has a mass equal to about 4 million
suns and would fit inside a very large ball that could hold a few
million Earths.
How Do Black Holes Form?
Scientists think the smallest black holes formed when the universe began.
Stellar
black holes are made when the center of a very big star falls in upon
itself, or collapses. When this happens, it causes a supernova. A
supernova is an exploding star that blasts part of the star into space.
Scientists think supermassive black holes were made at the same time as the galaxy they are in.
If Black Holes Are "Black," How Do Scientists Know They Are There?
A
black hole can not be seen because strong gravity pulls all of the
light into the middle of the black hole. But scientists can see how the
strong gravity affects the stars and gas around the black hole.
Scientists can study stars to find out if they are flying around, or
orbiting, a black hole.
When
a black hole and a star are close together, high-energy light is made.
This kind of light can not be seen with human eyes. Scientists use
satellites and telescopes in space to see the high-energy light.
Could a Black Hole Destroy Earth?
Black
holes do not go around in space eating stars, moons and planets. Earth
will not fall into a black hole because no black hole is close enough to
the solar system for Earth to do that.
Even
if a black hole the same mass as the sun were to take the place of the
sun, Earth still would not fall in. The black hole would have the same
gravity as the sun. Earth and the other planets would orbit the black
hole as they orbit the sun now.
The sun will never turn into a black hole. The sun is not a big enough star to make a black hole.
How Is NASA Studying Black Holes?
NASA
is using satellites and telescopes that are traveling in space to learn
more about black holes. These spacecraft help scientists answer
questions about the universe.